swears/swer/动词诅咒,咒骂When the cab driver started to swear at him, he walked away.当出租车司机开口对他骂脏话时,他走开了。发(誓);宣(誓)I don't know anything about what happened, I swear (it).我发誓我对所发生的事一无所知。想跟读,去练习