(1)work out鍛煉身體：
He works out in the gym two or three times a week.
他每周在健身房鍛煉兩三次。
Every time you work out, you should begin and end with a few stretches.
每次健身的前后，都應該做些伸展的動作。
(2)work out事情發生：
Let's hope this new job works out well for him.
希望這項新工作會非常適合他。
We broke up because things didn't work out between us.
我們分手了，因為我們之間沒戲。
(3)work out解決，起作用：
Things will work out.
一切都會順利的。
I'm sure it'll work out.
別擔心，總會有辦法的。
Don't worry. I'm sure we can work it out.
別擔心. 我保證我們有辦法解決.
(4)work out結果是;算下來：
These figures work out differently each time I add them.
我每次把這些數字相加得出的結果都不一樣。
The safe load for a truck of this size works out at nearly 20 tons.
這種大小的卡車的安全載重量算出來是將近20噸。
In fact the trip worked out cheaper than we'd expected.
實際上這次旅行花的錢比我們預計的要少。