at times例句

He managed to lighten the generally lifeless debate at times.
他让这场总体很沉闷的辩论时不时迸出了些火花。

It was quite rough at times, and she was seasick.
有时海上波涛汹涌，她就会晕船。

At times the show veered from the sublime to the ridiculous.
有时表演会突然从高雅而变得低俗。