供求规律

law of supply and demand

求你帮帮我们。

Please help us!

我求你一件事。

I'm begging you for one thing.

我求了他半天也没有求成功。

I begged him for a long time, to no avail.

我不会去求他，让别人去求吧。

I won't go begging to him, ask someone else to do it.

求进步

strive for further progress

不求进取

be unwilling to forge ahead

求学问

seek knowledge

不求名利

not seek fame and fortune

非我所求

not what I'm looking for

求三角形的面积

derive the area of a triangle