Ungainful
a. 不赚钱的,无利的,无收益的
🗣️ 情景例句
Well, good night.
好吧， 晚安。
No. Don't be silly. I wouldn't dream of letting you do that.
不，别说傻话了。我绝不会想到让你那样做的。
If it were severe, they all fell.
如果地震剧烈，所有的木棒都会倒下。