Being at sixes and sevens is the opposite of being a ten.

“乱七八糟”和“10分”相反。

If something is at sixes and sevens, it is in a state of confusion or disorder.

如果说某事sixes and sevens，那它就是处于混乱或无序的状态。

For example, when the manager left without a word the workplace was at sixes and sevens.

例如，当经理一言不发地离开时，办公室里的众人sixes and sevens意见不一。

Some of my friends were confused and did not understand their schoolwork. They were at sixes and sevens.

我有些朋友非常困惑，不能明白作业。他们简直乱七八糟(at sixes and sevens)。