The strength of his argument convinced the waverers.

他以有力的论据说服了那些摇摆不定的人。

《牛津词典》

The strength of his argument convinced the last few waverers.

他用有力的论点把剩下的几个犹豫不决的人也说服了。

youdao

These and other waverers will decide in part based on who else is running.

ECONOMIST: The Republicans

In other words, he is adept at offering the necessary inducements to just enough waverers, but no more.

ECONOMIST: America's conservatives take another blow | The

If you are the inevitable candidate, operatives clamour to be on your team, fund-raisers stuff your coffers with gold and waverers swallow their doubts.

ECONOMIST: The presidential race