- let or make (something) fall vertically使落下, 使掉下, 投下：
the fire was caused by someone dropping a lighted cigarette
火灾是因为有人乱丢点燃的香烟引起的
they dropped bombs on Caen during the raid.
他们在空袭中轰炸了卡昂。
- deliver (supplies or troops) by parachute空投（物资, 部队）：
the airlift dropped food into the camp.
空运用的飞机给营地空投了食品。
- Rugby score (a goal) by a drop kick【英橄】踢抛踢球得（分）：
as adj. dropped Botha responded with a superb dropped goal.博塔以一记精彩的抛踢球得分作了回敬。
- (of an animal, especially a mare, cow, or ewe) give birth to (young)（尤指母马、母牛、母羊等动物）产（仔）。
- informal take (a drug, especially LSD) orally〈非正式〉吞服（毒品, 尤指麦角酸酰二乙胺）：
he dropped a lot of acid in the Sixties.
他在60年代服用了大量的迷幻药。
- no obj. and usu. with adverbial fall vertically落下, 掉下：
the spoon dropped with a clatter from her hand.
汤匙从她手里当啷一声掉了下来。
- (of a person) allow oneself to fall; let oneself down without jumping（人）跌落, 掉落：
they escaped by climbing out of the window and dropping to the ground.
他们是因为爬到了窗外并跌落在地才得以逃生的。
- (of a person or animal) sink to or towards the ground（人, 动物）倒下; 倒地：
he dropped to his knees in the mud.
他跪倒在泥浆中。
- informal collapse or die from exhaustion〈非正式〉累倒, 累垮; 倒毙：
he looked ready to drop.
他看上去快累垮了。
- (of ground) slope steeply down（地面）陡峭地下降：
the cliff drops ninety metres to the valley below.
悬崖向下面的山谷直落90米。
- make or become lower, weaker, or less（使）降低, （使）变弱, （使）减少：
with obj. he dropped his voice as she came into the room她进入房间时, 他压低了嗓门
no obj. pre-tax profits dropped by 37 per cent税前利润减少了37%
tourism has dropped off in the last few years.
旅游业在过去几年中滑坡了。
- abandon or discontinue (a course of action or study)放弃; 中断, 停止（某个行动方针或某项研究）：
the charges against him were dropped last year
对他的指控于去年撤消了
drop everything and get over here!
放下所有手头的事, 到这儿来！
- discard or exclude (someone or something)丢弃, 抛弃; 把…除名, 开除：
they were dropped from the team in the reshuffle.
球队改组时他们被除名了。
- informal stop associating with〈非正式〉与…断绝往来：
I was under pressure from family and friends to drop Barbara.
我面临着来自家人和朋友的压力, 他们要我与芭芭拉断绝关系。
- set down or unload (a passenger or goods), especially on the way to somewhere else（尤指在途中）卸（客, 货）：
he dropped the load off at a dealer's
他在一家商店处卸了货
his mum dropped him outside and drove off to work.
他妈妈让他下了车, 然后开车去上班了。
- with obj. and adverbial put or leave in a particular place without ceremony or formality随便地把…放在（或丢在）某处：
just drop it in the post when you've got time.
你有空的时候把它丢进邮筒就行了。
- mention in passing, typically in order to impress（尤指为加深别人的印象而）顺便提到：
she dropped a remark about having been included in the selection.
她顺便提到她已被列入选拔名单。
- Brit. informal (of a DJ) select and play (a record)〈英, 非正式〉（流行音乐节目主持人）选播（唱片）：
various guest DJs drop quality tunes both old and new.
许多特邀的流行音乐节目主持人选播了优美动听的新老曲调。
- (in sport) fail to win (a point or a match)（体育运动）输掉（分数或比赛）。
- informal lose (money), especially through gambling〈非正式〉（尤指赌博中）输（钱）：
he reckoned I'd dropped forty thousand pounds.
他估计我输了四万镑。
- Bridge be forced to play (a relatively high card) as a loser under an opponent's higher card, because it is the only card in its suit held in the hand【桥牌】被硬打吊出（较大的牌）。
- force (an opponent's high card) to be played as a loser in this way硬打吊出（对手较大的牌）：
declarer dropped West's queen on the second round of spades.
定约人在黑桃的第二轮中就将西家的Q硬打吊出。
- no obj.(of a card) be played in this way（牌）被硬打吊出：
the queen dropped.
Q被吊出来了。
- a small round or pear-shaped portion of liquid that hangs or falls or adheres to a surface（液体的）滴：
the first drops of rain splashed on the ground.
最初的雨滴在地上溅起。
- often with negative a very small amount of liquid（液体的）一点点, 微量：
there was not a drop of water in sight.
一滴水也看不见。
- usu. with negative a drink of alcoholic liquor一滴酒; 一杯酒：
he doesn't touch a drop during the week.
他在一周内滴酒未沾。
drops
liquid medication to be measured or applied in very small amounts滴剂：eye drops.
滴眼液, 眼药水。
- usu. in sing. an instance of falling or dropping下降, 下落：
they left within five minutes of the drop of the curtain.
他们在帷幕降下后不到五分钟就离开了。
- an act of dropping supplies or troops by parachute空投; 伞降：
the planes finally managed to make the drop.
飞机最终设法进行了了空投。
- a fall in amount, quality, or rate（数量、质量、比率的）减少, 降低：
a significant drop in consumer spending.
消费者开支的显著减少。
- an abrupt fall or slope急剧的下降; 陡坡：
standing on the lip of a sixty-foot drop.
站在60英尺高的陡坡边缘。
the drop
informal the relegation of a sports team to a lower league or division〈非正式〉（运动队的）降级。
the drop
Bridge the playing of a high card underneath an opponent's higher card, because it is the only card in its suit held in the hand【桥牌】被硬打吊出大牌。
- something that drops or is dropped, in particular下落物; 下垂物, 尤指：
- a section of theatrical scenery lowered from the flies; a drop cloth or drop curtain吊装大绘片, 背景幕; 垂幕, 升降幕。
- a trapdoor on a gallows, the opening of which causes the prisoner to fall and thus be hanged（绞刑架的）下落板。
the drop
execution by hanging绞刑。
- something resembling a drop of liquid in shape, in particular滴状物, 滴形物, 尤指：
- usu. with modifier a sweet or lozenge, especially a boiled one糖果, 糖锭（尤指硬糖）：
a chocolate drop.
一颗巧克力硬糖。
- a pendant earring耳坠。
- informal a delivery〈非正式〉递送, 交付：
I got to the depot and made the drop.
我去仓库进行了交付。
- US a letter box〈美〉邮政信箱, 邮筒。
- a hiding place for stolen, illicit, or secret things（赃物、非法物、秘密物品的）藏匿处：
the lavatory's water cistern could be used as a letter drop
抽水马桶的水箱可以用来藏匿信件。
at the drop of a hat
- informal without delay or good reason〈非正式〉立即; 莫名其妙地：
he used to be very bashful, blushing at the drop of a hat.
他曾经非常害羞, 会莫名其妙地脸红。
drop one's aitches
- omit the 'h' sound from the beginning of words (in Britain often regarded as a sign that the speaker belongs to a low social class)漏发单词开头的'h'音（在英国常被认为是说话者社会阶层低下的标志）。
drop asleep
- fall gently asleep, especially without intending to不知不觉地睡着。
drop the ball
- N. Amer. informal make a mistake; mishandle things〈北美, 非正式〉犯错, 出错, 做错事：
I really dropped the ball on this one.
在这件事上我的确出了错。
ORIGIN: with allusion to mishandling in baseball.
drop a brick
- Brit. informal make an indiscreet or embarrassing remark〈英, 非正式〉失言; 出言不慎：
he dropped a brick when he admitted that he knew where we were going.
他不小心说漏了嘴, 承认他知道我们要去哪儿。
drop a clanger
- Brit. informal make an embarrassing or foolish mistake〈英, 非正式〉做事出岔子, 犯愚蠢的错误：
he admitted he might have dropped his first managerial clanger.
他承认自己可能在管理上出了第一个岔子。
drop a curtsy
- Brit. make a curtsy〈英〉行屈膝礼。
drop dead
- die suddenly and unexpectedly突然死去, 倒毙, 猝死：
she had seen her father drop dead of a heart attack.
她曾看见她父亲因心脏病发作而猝死。
- in imperative informal used as an expression of intense scorn or dislike〈非正式〉［表示强烈的轻蔑或憎恶］去你的。
drop a（或the）dime on
- US informal inform on (someone) to the police〈美, 非正式〉向警方告发（某人）.
drop one's guard
- abandon one's habitual defensive or protective stance丧失警惕。
drop a hint （或drop hints）
- let fall a hint or hints, as if casually or unconsciously（装作漫不经心地）给暗示：
he was dropping hints that in future he would be taking a back seat in politics.
他暗示他将来会在政治上退居二线。
a drop in the ocean（或in a bucket）
- a very small amount compared with what is needed or expected沧海一粟：
the £550 million saving is likely to be a drop in the ocean.
节约5.5亿英镑有可能是沧海一粟。
drop someone a line
- send someone a note or letter in a casual manner给某人写便条（或短信）：
drop me a line at the usual address.
按老地址给我写封短信。
drop names
drop one's serve
- (in tennis) lose a game in which one is serving（网球比赛中）输掉发球局。
drop a stitch
- let a stitch fall off the end of a knitting needle漏织一针。
drop one's trousers
- deliberately let one's trousers fall down, especially in a public place（尤指在公共场所）故意让裤子掉下来。
have the drop on
- informal have the advantage over〈非正式〉胜过, 对…占有优势：
if your enemy gets the drop on you he can kill you.
如果你的敌人胜过你, 他会将你置于死地的。
have had a drop too much
- informal be drunk〈非正式〉喝多了, 喝醉：
obstreperous squaddies who have had a drop too much.
喝得醉醺醺的吵吵嚷嚷的新兵们。
droppable
adjectivedrop back/behind
- fall back or get left behind落后, 被抛在后面：
the colt was struggling to stay with the pace and started to drop back.
那匹小马欲奋力跟上, 但还是开始落后了。
drop by/in
- call informally and briefly as a visitor顺便拜访：
they would unexpectedly drop in on us.
他们常常会突然顺道来访。
drop into
- call casually and informally at (a place)顺便进入（某处）：
he'd actually considered dropping into one of the pickup bars.
他竟然考虑过要去一家妓吧玩玩。
- pass quickly and easily into (a habitual state or manner)不知不觉地进入（某种惯常状态或行为方式）：
she couldn't help dropping into a Geordie accent.
她说着说着不知不觉地带上了泰恩赛德人的口音。
drop off
- fall asleep easily, especially without intending to不知不觉地睡着：
struggle as she might, she kept dropping off.
尽管她拼命挣扎, 可还是不停地打瞌睡。
drop out
- cease to participate in a race or competition退出比赛。
- abandon a course of study退学：
kids who had dropped out of college.
从大学退学的年轻人。
- reject conventional society to pursue an alternative lifestyle逃避社会现实：
a child of the sixties who had temporarily dropped out.
一个曾一度逃避过社会现实的60年代的孩子。
- Rugby restart play with a drop kick【英橄】以抛踢球重新开始比赛。
- score a drop goal踢进一个抛踢球, 踢抛踢球得分。