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