groan
单词辨析：
指因厌烦、失望、疲惫等而发出叹气声。
She looked out of the window, sighing for her lost youth.
她看着窗外，为自己失去的青春而叹息。
The lady next to him didn't answer and sighed deeply.
他旁边的妇女没回答，深深地叹了一口气。
What made him sigh with relief?
他为什么松了口气？
多指因疼痛、心烦、失望等而呻吟，有时也指因快乐而哼哼。
The patient groaned painfully as he was lifted onto the stretcher.
病人被抬上担架时在痛苦地呻吟着。
He lay on the bed groaning.
他躺在床上呻吟。
As she kissed him, he groaned with pleasure.
被她亲了一口，他愉快地哼哼着。
指因疼痛、郁闷、激情等而发出长而低沉的声音。
The wounded man moaned ceaselessly.
那个伤员呻吟不止。
The sick woman moaned in pain.
那个生病的女人在痛苦地呻吟。
相关例句：
He was heard to groan.
有人听见他呻吟。
Bookshelves groan under the burden of books on threats to the environment.
书架上摆满了有关环境威胁的书，不堪重负。
The platforms groan with homeward-bound commuters.
月台在下班赶着回家的通勤族脚下不堪重负。
The bar counter groans under the weight of huge plates of the freshest fish.
吧台上摆满了大碟大碟非常新鲜的鱼。
He heaved a loud groan when he heard the news.
他听到那消息，大哼了一声。
Dorothea let out a histrionic groan.
多罗西娅装腔作势地呻吟了一声。