Dnf
abbr. 未完成（did not finish）
🗣️ 情景例句
It's cold outside.
外面很冷。
Are you going to use cash or traveller's cheques?
您是用现钞换呢，还是用旅行支票换？
I often fish for hours without catching anything.
我经常一钓数小时却一无所获，