I really wanted to tell him what I thought, but I decided to bite my tongue.

我真的很想把我的看法告诉他，但我决定忍住话不说。

She bit her tongue during the meeting, even though she disagreed with the plan.

她在会议上忍住了，尽管她不同意这个计划。

If you bite your tongue now, you might regret it later.

现在忍不住说话可能会让你以后后悔。

He bit his tongue to avoid embarrassing himself in front of the boss.

他忍住了不在老板面前出丑，以免尴尬自己。

Sometimes it's better to bite your tongue and wait for the right moment.

有时候还是忍住不说，等到合适的时机再说更好。