- with obj. use or expend carelessly, extravagantly, or to no purpose浪费, 挥霍：
we can't afford to waste electricity
我们浪费不起电
I don't use the car, so why should I waste precious money on it?
我用不着汽车, 那我为什么要浪费宝贵金钱去买呢？
- （一般作be wasted on）bestow or expend on an unappreciative recipient白费：
her small talk was wasted on this guest.
她跟这位客人的闲聊算白费了。
- （一般作be wasted）fail to make full or good use of未能充分（或很好）利用：
we're wasted in this job.
做这工作我们有点大材小用。
- deliberately dispose of (surplus stock)故意消耗（过量的库存）。
- no obj.(of a person or a part of the body) become progressively weaker and more emaciated（人, 身体部位）逐渐变虚弱; 变消瘦：
she was dying of Aids, visibly wasting away
她患艾滋病临近死亡, 身体明显越来越消瘦了
as adj. wasting a wasting disease消耗性疾病。
- with obj. archaic cause to do this〈古〉使虚弱; 使日益消瘦：
these symptoms wasted the patients very much.
这些症状使得病人极度虚弱。
- with obj. poetic/literary devastate or ruin (a place)〈诗/文〉破坏, 毁坏（地方）：
he seized their cattle and wasted their country.
他掠走他们的牛, 毁掉他们的家园。
- N. Amer. informal kill or severely injure (someone)〈北美, 非正式〉杀死; 使…受重伤。
- no obj. poetic/literary (of time) pass away; be spent〈诗/文〉（时间）流逝, 被花掉：
the years were wasting.
岁月流逝。
- (of a material, substance, or by-product) eliminated or discarded as no longer useful or required after the completion of a process（材料, 物质, 副产品）废弃的; 丢弃的：
ensure that waste materials are disposed of responsibly
确保废弃的材料得到负责任的处理
plants produce oxygen as a waste product.
植物产生的废弃物是氧气。
- (of an area of land, typically in a city or town) not used, cultivated, or built on（一块土地, 尤指城镇土地）闲置的, 荒芜的：
a patch of waste ground.
一块闲置的空地。
- an act or instance of using or expending something carelessly, extravagantly, or to no purpose浪费; 滥用; 损耗：
it's a waste of time trying to argue with him
跟他争论简直是浪费时间
mass noun they had learned to avoid waste.他们已经学会怎样避免浪费。
- mass noun archaic the gradual loss or diminution of something〈古〉逐步损失（或减退）：
he was pale and weak from waste of blood.
由于失血, 他脸色苍白, 身体虚弱。
- mass noun material that is not wanted; the unusable remains or by-products of something弃物; 废料：
nuclear waste
核废料
(wastes) hazardous industrial wastes.
有害的工业废料。
- （一般作wastes）a large area of barren, typically uninhabited land（尤指无人居住的）大片荒地：
the icy wastes of the Antarctic.
南极洲大片冰雪覆盖的荒地。
- mass noun Law damage to an estate caused by an act or by neglect, especially by a life-tenant【律】（尤指因租借人的行为或疏忽而导致的）不动产的损坏, 产业损伤。
- short for WASTE PIPE.WASTE PIPE的简称。
go to waste
- be unused or expended to no purpose被浪费掉。
lay waste to（或 lay something (to)waste）
- completely destroy完全毁坏：
a land laid waste by war.
被战争完全毁坏的土地。
waste one's breath
- 见BREATH.
waste of space
- informal a person perceived as useless or incompetent〈非正式〉无用之人, 无能之辈。
waste not, want not
- proverb if you use a commodity or resource carefully and without extravagance you will never be in need〈谚〉不浪费, 不愁缺。
waste words
- 见WORD.