phr. fall aboard 1. 【海】(船)与…碰撞
2. 争吵 (with)
3. 向…进攻
fall about 〈英口〉笑得无法自制
They fell about (laughing 或 with laughter) when they heard the joke. 他们听到这个笑话都捧腹大笑。
fall across 偶然遇到，无意中碰见
I fell across him in the library. 我在图书馆里与他邂逅。
fall among 偶然遇到；偶然陷入…之中
fall among thieves 不期然置身窃贼之中
fall apart (或 to pieces) 破碎；破裂；崩溃
The book fell apart. 书本散架了。
Anna did what she could to keep the marriage from falling apart. 安娜尽力使婚姻不致破裂。
The crowd fell apart. 人群溃散了。
She fell apart completely, bawling like a baby. 她肝肠寸断，婴孩似地大声号哭着。
fall astern (of) (船)落在(…)后边
fall away 1. 消瘦
She's fallen away terribly. 她瘦得完全脱了形。
2. 减少；(风等)减弱；消失
Subscriptions will not fall away this year. 今年订户不会减少。
Her smile fell away. 她的笑容消失了。
3. 离弃，疏远
All his old friends fell away from him. 他所有的老朋友都和他疏远了。
4. 背弃信仰，变节
5. 向下倾斜
The land falls away to the east. 陆地向东倾斜。
6. 转变方向；偏离航线
fall back 后退，退却
The enemy fell back as our army advanced. 我军向前挺进，敌军退却了。
fall back on (或 upon) 1. 借助于；依赖，依靠
have some notes to fall back on 摘有可资援引的一些笔记
2. 撤退到
3. 回过来再谈
fall behind 见 behind
fall down 1. 〈口〉失败；未能符合要求
His plan has fallen down. 他的计划已经失败了。
He fell down on the job. 他未能把这件工作做好。(或：他未尽责。)
2. 沿着(河流、港湾)顺流而下，漂流而下
fall flat 见 flat¹
fall for 〈俚〉
1. 受…的骗，上…的当；对…信以为真
We must not fall for such nonsense. 我们决不能听信这种胡言乱语。
2. 对…倾心，迷恋
Dick fell for baseball when he was a little boy. 当迪克还是小孩时就迷上棒球了。
fall foul of 见 foul
fall from 〈废〉
1. 和…意见不同
2. 背弃
3. 放弃
fall from grace 见 grace
fall home (木材、舷缘)内倾，往里弯
fall in 1. 站队，集合
2. (房屋、墙壁等)坍下，往里坍塌；〈喻〉崩溃
3. (租约等)期满；(土地)租约期满复归地主所有；(债务等)到期
4. 〈澳〉失误；失败
fall into 1. 陷于(错误等)；陷入(某种状态)
fall into a bad habit 沾染一种坏习惯
fall into a stupor 陷入昏迷状态
fall into a rage 勃然大怒
2. 开始
fall into a discussion 开始讨论
fall into conversation with sb. 和某人交谈起来
3. 分成
The story falls into two parts. 这故事分成两部分。
4. 属于
fall into the same category 属于同一范畴
This word falls into the class of verbs. 这个词属于动词类。
5. (河)流入，注入
Here the river falls into the sea. 河从这里入海。
fall in with 1. 偶然遇到
On our trip we fell in with some interesting people. 旅途中我们遇到一些很有意思的人物。
2. 同意，赞成；依从
fall in with sb.'s plan 赞成某人的计划
3. 符合；适合；与…一致
The measure falls in with popular demand. 这项措施符合民众的要求。
fall off 1. (从…)掉下，(从…)跌落
2. 减少；缩减；降低
Enrolment has fallen off this year. 今年入学人数减少了。
Business fell off after Christmas. 圣诞节后生意变得清淡。
3. (健康等)衰退；减弱，较前逊色
4. 疏远，离开；脱离
His friends fell off one by one. 他的朋友一个一个地跟他疏远了。
fall off from a political party 脱离一个政党
5. (船)偏向下风；改变航向，偏离航线
6. (海岸线)(朝某一方向)曲弯
fall on 1. 袭击，攻击
The soldiers fell on the enemy. 士兵袭击敌军。
The hungry children fell on the food. 饥饿的孩子们扑向食物，大嚼起来。
2. 偶然遇到；偶然发现
He fell on the idea while looking through a magazine. 他在翻阅一本杂志的时候不期然出现了这个想法。
3. 遭受，遭遇
fall on evil days 逢凶
fall on hard (poor) times 遭逢艰难(贫穷)时世
4. 由…负担
All the expenses of the trip fell on us. 旅行的一切费用都由我们负担。
fall on stony ground (建议、请求、笑话等)不被人理睬
fall out 1. 脱落
His hair was beginning to fall out in handfuls. 他的头发开始一把一把地脱落。
2. 原地解散；掉队
Fall out! 原地解散!
Not a single man fell out in the long march. 在长途行军中没有一个人掉队。
3. 吵架；失和
fall out with siblings over an inheritance 为一笔遗产与同胞手足闹翻
4. 结果
Everything has fallen out splendidly. 结果一切都好。
It fell out that they were late for the train. 他们终于没有赶上火车。
5. 〈美俚〉(因致幻毒剂生效而)醉倒，迷醉
6. 〈美俚〉爆发
fall out laughing 纵声大笑
fall out of 1. 放弃；中止
fall out of the habit of smoking 戒烟
This word has fallen out of use. 这个词已不再使用。
2. (士兵)离开(建筑物)去站队；离(队)
The soldiers fell out of the barracks for inspection. 士兵们走出营房列队以待检阅。
The men fell out of the ranks to take a rest. 士兵们原地解散休息。
fall over 跌倒；倒下；倒坍
fall over backwards 见 backwards
fall over each other (或 one another) 〈口〉互相竞争；争先恐后
His admirers fell over each other with offers of hospitality. 钦慕他的人们都争着要款待他。
fall over oneself 〈口〉
1. 煞费苦心；不遗余力
The oil firms were falling (all) over themselves to obtain concessions from the Government. 这几家石油公司都在渴望获得政府的特许权。
2. 手足无措，不知怎样才好
fall short 1. (发射物)未中目标
2. 达不到标准(或要求)
We fall far short in applying what we know. 我们还远远未能应用我们的知识。
3. 不足，缺乏
Their provisions fell short. 他们的给养不足。
fall short of 1. 射不中；达不到；不符合
The arrow fell short of the target. 箭没有射中目标。
Supply fell short of demand. 供不应求。
strive not to fall short of one's father's expectations 努力不辜负父亲的期望
2. 不履行
fall short of one's duty 不尽职
fall through 1. 失败，成为泡影
We're not going to Suzhou — the whole thing's fallen through. 我们不去苏州了——整个计划已经告吹。
2. 不能践约，失约
I have made an appointment with him, but I'm afraid he'll fall through. 我已和他约好会面，可是我怕他会失约。
fall to 1. 开始
fall to thinking 开始思考
2. 开始工作(或打架、吃东西等)
They fell to with good appetite. 他们开始津津有味地大吃起来。
3. (门等)自行关上
4. (责任等)落到…身上
It falls to me to tell her the bad news. 把坏消息告诉她的任务落到我身上了。
5. (财产权)归还
fall together 1. (语音)变得相同
2. 结合起来
This is the result of several reasons falling together. 这是几种原因凑在一起产生的结果。
fall under 1. 归入…类别；列入…项目；列为
Whales fall under the class of mammals. 鲸归入哺乳动物纲。
These goods fall under Class A. 这些货物列为甲级。
2. 受到；隶属于；在…的范围之内
The question fell under his notice. 这个问题受到了他的注意。
That department falls under the legislative branch. 该部门隶属于立法机关。
The whole business falls under his management. 全部业务由他经管。
fall up 〈美俚〉到达；来访
fall upon= fall on
fall within属于…范畴（或类别）
This subject does not fall within the province of the present chapter. 这个题目不属于本章论述的范围。
ride for a fall 1. 骑马(或自行车)乱闯
2. 以莽撞行动招致危险(或祸患等)严重后果；自讨苦吃，自找麻烦
take the fall 〈美口〉(总是)代人受过；当替罪羊
the Fall (of Man) (人的)堕落(基督教教义中指亚当与夏娃受诱惑吃禁果后陷入罪恶)
the fall of the leaf 秋天
try a fall (with) (与…)比一下摔跤；(与…)较量一番