a.

1. 不工作的；闲置的；空闲的
   They didn't want to live idle lives.

   他们不想过闲散的生活。

2. 懒惰的；无所事事的
   Spring makes everyone feel idle.

   春天使每个人都觉得懒洋洋的。

3. 无根据的；无理由的
4. 无目的的；无益的；无聊的
   It would be idle to try to make him change his mind.

   想使他改变主意是徒劳的。

5. 空转的；空载的

vi.

1. 无所事事；闲混；闲逛
   They idled before the coffee shop.

   他们在咖啡馆前闲逛。

2. （机器）空转
   The car engine is idling.

   汽车引擎在空转。

vt.

1. 虚度（光阴）[（+away）]
   Instead of working, Jack was idling away his time.

   杰克不去工作，虚度着光阴。

2. 使空闲；使空转

adj.

1. avoiding work; lazy.
   ▸not working or in use.
2. having no purpose or basis:
   idle threats.
3. (of money) held in cash or in accounts paying no interest.

v.

1. spend time doing nothing.
   ▸move aimlessly.
   ▸N. Amer. take out of use or employment.
2. (of an engine) run slowly while disconnected from a load or out of gear.