我不担心他们处理复杂问题的能力。

I'm not worried about their ability to handle complexity.

youdao

人们只是不担心他们看不见的(甚至是想象不出的)东西。

People simply don't worry about things they can't see (or even imagine).

youdao

我不担心—他们没抓住我什么把柄。

I'm not worried—they've got nothing on me.

《牛津词典》

Two dollars means, that the people wouldn't buy tickets. That's what they were afraid of.

两美元说明人们不喜欢,这是他们担心的。

麻省理工公开课 - 电影哲学课程节选