He does (更擅长)at doing maths problems than 如何填写He does (更擅长)at doing maths problems than 如何填写不是,答案是even better。我现在不明白此短评是be good at doing,但是前面为什么是do呢,而不是be的形式呢?

问题描述:

He does (更擅长)at doing maths problems than 如何填写
He does (更擅长)at doing maths problems than 如何填写
不是,答案是even better。我现在不明白此短评是be good at doing,但是前面为什么是do呢,而不是be的形式呢?

句子可以这样看 He does even better (at doing maths problems) than I.
这里不是be good at的应用,at在这里指“在.方面”,句子翻译为“他比我更擅长做数学题”