这些数字说不通——我们是不是在哪儿出错了？

These figures don't make sense - have we ___slipped ___up somewhere?

即使专家在压力下偶尔也会犯错。

Even experts can ___slip ___up occasionally when under pressure.

会计在计算中出了错，导致了一个大问题。

The accountant ___slipped ___up in the calculations, causing a major error.