动词敲出; 连续猛击而产生

1. 连续猛击：pound one's ear 睡 | pound out 连续猛击 | pound 磅

2. 突击;拼命干活：caffeinated beverage: 含咖啡因的饮料 | pound out: 突击;拼命干活 | vow: 发誓