to make a long, low sound of pain, suffering, or another strong emotion

He moaned with pain before losing consciousness. 他痛苦地呻吟，随后就失去了知觉。

"Let me die," he moaned. “让我死吧。”他呻吟道。

to make a complaint in an unhappy voice, usually about something that does not seem important to other people

Thelma's always moaning (about something), and forgets how lucky she actually is. 特尔玛总爱抱怨，忘记了实际上她是多么地幸运。

[ + speech ] "I don't like potatoes," he moaned. “我不爱吃土豆，”他抱怨说。

[ + (that) ] First she moans (that) she's too hot, and then that she's too cold. 起初她抱怨说太热了，然后又说太冷了。

After a lot of moaning and groaning, they eventually started work. 在嘟嘟囔囔抱怨了一阵之后，他们终于开始干活了。

a long, low sound of pain, suffering, or another strong emotion

We could hear the moans of someone trapped under the rubble. 我们可以听到被困在瓦砾下的人发出的呻吟声。

moans of ecstasy/agony 狂喜／痛苦的呻吟声

the act of complaining about something, or a complaint

Apart from a slight moan about the waiter, he seemed to enjoy the meal. 除了对侍者有点不满外，他这餐似乎吃得很愉快。

She was having a moan about her husband. 她正在抱怨她丈夫。