叹的用法和样例：
例句
-
想起自己坎坷的一生，他不由仰天长叹。
He could not but look up to the sky and sigh deeply when his lifetime of frustrations passed through his mind. -
他绝望地叹了口气。
He sighed with despair. -
他发出一声绝望的叹息，转身走开了。
With a hopeless sigh, he turned away. -
凡尔赛宫的富丽堂皇让每个人都赞叹不已。
The magnificence of Versailles is admirable to everyone. -
她长叹以示厌烦。
She exhaled slowly to show her annoyance.
