vt.

1. 浪费；滥用；未充分利用[（+on）]
   Don't waste your time and energy on trifles.

   别把你的时间和精力浪费在琐事上。

2. 消耗；使消瘦；使衰弱
3. 使荒芜；使荒废
   The drought wasted the land.

   旱灾使田地荒芜。

4. 【俚】杀害，谋杀

vi.

1. 被浪费
2. 消瘦[（+away）]
   She is wasting away from an illness.

   她因病消瘦了。

n.

1. 浪费；滥用[U][S][（+of）]
   Doing such a job is a waste of his talents.

   做这种工作是在浪费他的才能。

2. 废（弃）物；废料[U][P1]，排泄物
   A lot of poisonous waste from the chemical works polluted the river.

   化工厂的许多有毒废料污染这条河。

3. 荒地，荒野[P1]
   Few animals can exist in the frozen wastes of the Arctic.

   几乎没有动物能在北极洲冰封的荒芜地区生存。

4. 一大片[S]
5. 消耗，损耗；毁坏[U]
6. 忽略不用，错过[U]

a.

1. 废弃的，无用的
   Throw out that waste paper.

   把废纸扔掉。

2. 盛放废物的，排除废物的
3. 荒芜的；荒废的；未开垦的
   It was a stretch of waste land.

   那是一片荒地。

v.

1. use carelessly, extravagantly, or to no purpose.
   ▸ (usu. be wasted on) expend on an unappreciative recipient:

   small talk was wasted on him.
   ▸fail to make full or good use of.
2. (often waste away) become progressively weaker and more emaciated.
3. literary lay waste to.
4. N. Amer. informal kill or severely injure.
5. [as adj. wasted] informal under the influence of alcohol or illegal drugs.
6. literary (of time) pass away.

adj.

1. eliminated or discarded as no longer useful or required.
2. (of an area of land, typically an urban one) not used, cultivated, or built on.

n.

1. an act or instance of wasting.
2. unusable or unwanted material.
3. a large area of barren, typically uninhabited land.
4. Law  damage to an estate caused by an act or by neglect, especially by a life tenant.