be over the hump
hump n. /hʌmp/ a large, round raised area or part 隆起，凸起
The car hit a hump in the road and swerved.
汽车撞上了路上的一个隆起而突然变向。
to be past the most difficult or dangerous part of an activity or period of time
完成了最困难的部分，渡过难关
It's been hard work but I think we're over the hump now.
这是一项很艰苦的工作，但我想我们已经完成最困难的部分了。
（素材来自网络，如有侵权请联系删除）
