a.

1. 不工作的；閒置的；空閒的
   They didn't want to live idle lives.

   他們不想過閒散的生活。

2. 懶惰的；無所事事的
   Spring makes everyone feel idle.

   春天使每個人都覺得懶洋洋的。

3. 無根據的；無理由的
4. 無目的的；無益的；無聊的
   It would be idle to try to make him change his mind.

   想使他改變主意是徒勞的。

5. 空轉的；空載的

vi.

1. 無所事事；閒混；閒逛
   They idled before the coffee shop.

   他們在咖啡館前閒逛。

2. （機器）空轉
   The car engine is idling.

   汽車引擎在空轉。

vt.

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

   傑克不去工作，虛度著光陰。

2. 使空閒；使空轉

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.