sigh

/saɪ/

an utterance made by exhaling audibly

中文释义：叹气；叹息

She let out a deep sigh of relief when she heard the good news.

听到好消息时，她如释重负地深深叹了口气。

He sighed heavily, frustrated by the repeated failures.

他重重地叹了口气，对反复的失败感到沮丧。