can't hold a candle to..

不能...比；逊色于...

I can't hold a candle to Tom.

我不能和汤姆相提并论。

This one is good, but. It can't hold a candle to that one.

这个不错，但是不能和那个比。

She is pretty good, but she can't hold a candle to her mother.

她很漂亮，但是还是不及她妈妈。

A: Look, Tom got an "A", but you just got a "C".

瞧瞧，汤姆得了个A，而你只得了C。

B: I can't hold a candle to Tom.

我不能和汤姆相提并论。

A: Why? Both of you are taught by the same teacher.

为什么？你们都是同一个老师教的。

B: Because he is smarter than me.

因为他比我聪明。