Tra từ nag - Từ điển Oxford Advanced Learner 8th

nag [nag nags nagged nagging] verb, noun BrE [næɡ] NAmE [næɡ]
verb (-gg-)
1. intransitive, transitive to keep complaining to sb about their behaviour or keep asking them to do sth
Syn: ↑pester
•~ (at sb) Stop nagging— I'll do it as soon as I can.
•~ sb (to do sth) She had been nagging him to paint the fence.
2. intransitive, transitive to worry or irritate you continuously
•~ at sb A feeling of unease nagged at her.
•~ sb Doubts nagged me all evening.
Verb forms:

Word Origin:
v. early 19th cent. ‘gnaw’ Scandinavian Low German Norwegian Swedish nagga ‘gnaw, irritate’ Low German g)naggen ‘provoke’ n. Middle English

Example Bank:
•For weeks his father had been nagging away at him to get a job.
•She constantly nagged her daughter about getting married.
•She had been nagging at him to have his hair cut.
•The children kept nagging her to take them to the zoo.
•The pain came back and nagged at him.
•He nagged me until I wrote the letter and posted it off.
•He's always nagging at her for wearing too much make-up.
•I do wish you'd stop nagging on about the garden.
•Mum's always nagging me about studying.
•She had been nagging him to mend the gate.
•Stop nagging— I'll do it as soon as I can.

noun (old-fashioned, informal)
a horse

Word Origin:
v. early 19th cent. ‘gnaw’ Scandinavian Low German Norwegian Swedish nagga ‘gnaw, irritate’ Low German g)naggen ‘provoke’ n. Middle English