I wasn't expecting you. 我没想到你会来. They always come on such short notice. 他们每次来, 总是不提早通知. Am I coming in at a bad time? 我是不是挑错时间来了? Knock first. Don't just barge in 先敲门, 不要随便乱闯. I'd like to pay him a visit. 我想去拜访他一下.
He has worn out his welcome here. 他在这儿已不再受欢迎了. Fish and visitors stink after three days. 客人和鱼一样, 过三天就臭了. He likes to pop in at times. 他喜欢有时候过来探望一下.
