vacillate GREGMAT

A vacillating person finds it hard to make up his mind.

优柔寡断的人不易下决心。

I had for a time vacillated between teaching and journalism.

我曾在教师和记者两种职业间踌过。

She vacillated so long about attending the concert that when she decided to go, the tickets were sold out.

她为是否去听音乐会踌了很久，当她决定去，票已售光了 。

Without doubt, the national bourgeoisie tends to vacillate, but we should, nevertheless, make use of its positive side, uniting with it as well as struggling against it.

民阶级当然是动摇的，但是要利用它的积极的一面，要有团结有斗争。