He drank and stifled a belch.

他喝了一口，强忍住打嗝。

Regulations on children stifled creativity.

对孩子们制定的各种规定压制了创造力。

Most of the victims were stifled by the fumes.

多数受害者是因烟雾窒息而死的。

She stifled another yawn and tried hard to look interested.

她又忍住了哈欠，竭力显出感兴趣的样子。

Rosanna stifled a huge yawn.

罗莎娜强忍住没打哈欠。