at sixes and sevens
1. 乱七八糟
Her room is always at sixes and sevens , even without room to swing a cat.
她的房间总是乱七八糟的，连个下脚的地方都没有。
2. 不和
These brothers are always at sixes and sevens.
他们兄弟总是不和。
put two and two together
根据事实推理
Two heads are better than one.
三个臭皮匠，顶个诸葛亮。
There are no two ways about it.
别无选择；毫无疑问的
be of two minds
三心二意
kill two birds with one stone
一石二鸟；一箭双雕
Two's company, three's a crowd.
两人成伴，三人不欢。
six of one, half a dozen the other
半斤八两
in seventh heaven
暗喻心情极为快乐、满足
on cloud nine
高兴得飘飘然
dress to the nines
穿着非常时髦华丽
at the eleventh hour
最后一刻
来源英语极客