病有什么要紧呢，我是不怕传染的。

"Never mind," he replies, "1m not afraid of infection."

youdao

就天气而论，我不认为有什么要紧的。

I do not think it matters in point of the weather.

youdao

心里感到有什么要紧的事，却又乱麻麻地总是想不起。

He felt there was something important in his mind, but he was too numb (confused) to recall what it was (so mixed up that he can not recall what it was.)

youdao