空闲的英文：
disengagement
free
idlesse
leisure
vacancy

I do mountain climbing in my free time.
我在空闲的时候爬山。

He had no free time.
他没有空闲的时间。

Idle folk have the least leisure
懒人少空闲

None But a wise man can employ leisure well
唯智者善于利用空闲

How do you spend your leisure time?
你怎么打发空闲时间？

Those that make the best use of their time have none to spare.
充分利用时间的人不会有空闲。

I like to read books in my spare time.
我在空闲时间喜欢读书。

We have thirty minutes to kill
我们有三十分钟空闲时间

Reading occupies most of my free time.
阅读占去了我空闲时间的大部分。

My brother devotes his spare time to sport.
我兄弟用空闲的时间从事运动。

It is time to disengage from the dollar.
现在是脱离美元的时候了。

Disengage the clutch before changing gear.
先松开离合器再换挡。

Disengage securing clip and remove lamp.
松开固定卡子拆下灯泡。

Freedom is not free.
自由不是无偿的。

Be covered by free Medicare / be entitled to free medical care
享受公费医疗

It depends on free oxygen or air.
它依靠大量的氧或者空气。