nag
verb [ I or T ] uk/næɡ/ us/næɡ/ -gg-
不断批评（或抱怨）;跟…纠缠不休;唠叨
to criticize or complain often in an annoying way
[ + obj + to infinitive ] My mum's always nagging me to get my hair cut. 我妈妈总是唠叨着要我去理发。
If you stop nagging at me, I might actually do it. 如果你不再烦我，我或许真的就做了。
I'm always nagging him about his diet. 我总是对他的饮食提出批评。
Phrasal verb
nag (away) at someone （疑虑或担心）不断困扰，不断烦扰（某人）
If doubts or worries nag (away) at you, you think about them all the time.
The same thought has been nagging away at me since last week. 自从上周开始，同样的想法就一直困扰着我。
nag
noun [ C ] old-fashioned informal uk/næɡ/ us/næɡ/
马;（尤指）老马，驽马
a horse, especially one that is too old to be useful