没深没浅

没深没浅

Literally means:

no depth

Actually means:

have no sense of propriety; be impudent and thoughtless

It means that somebody has no idea of the depth of something. Figuratively, it means that somebody is not able to talk or do things according to generally accepted standards. This phrase emphasizes that one has gone too far in his remarks or behavior. It implies that serious consequences result from thos inappropriate remarks or behavior. It expresses the speaker's disapproval or criticism. Derogatory.

不知道某物深浅的程度。比喻做事或说话不能把握公认的标准，特别是说的话、做的事不合适、不适当，超过许可的限度。暗示可能因做了过分的事或说了过头的话而引起不良的后果。表示说话人的不满或责怪。具有贬义色彩。