留尾巴

留尾巴

Literally means:

left tail

Actually means:

leave part of problem unsolved; do something partially

尾巴 refers to the rest of something. The phrase figuratively means the part or problem that are left unsolved or to be dealt with. It often indicates in tentionally leaving part of something unfinished.

尾巴，比喻事情剩下的部分。留尾巴，比喻事情没有彻底了结，还留下等待处理的部分或问题。多指做一件事情时有意留一部分不做完。略含贬义。