his bed-room is always at sixs and sevens为什么要加S,这句话什么意思与his bed-r_英语解答

his bed-room is always at sixs and sevens为什么要加S,这句话什么意思
与his bed-room is always at sixthand seventh 有什么区别

人气：350 ℃　时间：2020-04-07 13:58:43

解答

晕 at sixs and sevens是固定短语意思为乱七八糟当然不能把S去掉