1. "My mom has been harping on me for getting a job during summer. It's driving me nuts!"2. "He was always harping on the importance of taking vitamin supplements."
Harp on"Harp on" 是貼切的說法!
Smith 先生宣誓就職成為非洲的新財政部部長。 (請填空)
Mr. Smith has been worn in as Africa's new Minister of Finance.