Mayn't
(=may not)的缩写
🗣️ 情景例句
No. Please endorse the check at the back.
不会的。请在支票的背面签名。
Till we meet again.
后会有期。
No, he didn't want to leave.but his wife did!
是啊，他是不想离开，可是他妻子要离开。