我在大部分事情上，是个迟疑不决的、动摇不定的人。

I am a very irresolute, vacillating man in most things.

youdao

若有不偏不倚的人在场，他就会求援于他们，以稳定自己动摇不定的思想。

If any disinterested persons are present, he turns to them for some reinforcement of his own faltering mind.

youdao

我们要在这次选举中获胜，唯一的办法就是尽一切力量来争取那些至今仍然动摇不定的选民。

The only way we can win this time is to work AS hard AS we can to win over the swing voters.

youdao