PHRASAL VERB 对…唠叨个不停 If you say that someone keeps on about something, you mean that they keep talking about it in a boring way. 对…唠叨个不停 [British, informal]
He kept on about me being 'defensive'. [VERBPREP.PREP. noun]
他唠叨个不停，说我“有戒心”。
SYN go on about, go on and on about, ramble on about, rant on about