证据就藏在你的眼皮底下，你却完全忽略了它。

The evidence was hidden ___under ___your ___nose, yet you overlooked it completely.

腐败行为就在你眼皮底下发生，而你却毫不知情。

The corruption occurred right ___under ___your ___nose without your awareness.

错误就在你眼皮底下犯下，但你未能及时察觉。

The mistake was made ___under ___your ___nose, but you failed to catch it in time.