nag基本解释
n,唠叨；老马；竞赛马,同近
Don’t be such a nag!.别总是唠唠叨叨的！
唠叨；老马；竞赛马英释中释na person who keeps complaining or asking someone to do something, in an annoying way
nag at,v. 挑剔；唠叨；以唠叨来恼人.短语
