He grinned in relief.
他如释重负地咧嘴一笑。

sighed
叹气；叹息
When he heard the news, he uttered a sigh.
听到这消息时，他叹了口气。
The old man uttered a sigh and went out.
那位老人叹息了一声,走了出去。

wide-eyed
睁大眼睛的；吃惊的；天真的
He looked at me up and down with his eyes wide open.
他睁大眼睛上下打量着我。

halfheartedly
不认真地；无兴趣地
A halfhearted attempt at writing a novel.
并不热心的试图写一部小说

turned for the door
转身走向门
The sick man has taken a turn for the better.
病人病情转好。
I trust that things will take a turn for the better in the near future.
我期待着在不久的将来事情会有所转机。