剑桥词典the part of your body that you sit on 屁股，腚 She has a huge arse. 她的屁股好大。 a stupid person 蠢人，笨蛋，饭桶 习语get off your arse go arse over tit/tip move/shift your arse! my arse! not know your arse from your elbow 返回 arse