fly in the face of sth

to completely oppose what seems sensible or normal

看起来合理或正常的东西完全相反;与常识相悖

This is an argument that seems to fly in the face of common sense.
这个论点似乎与常识相悖。

Such a proposal is flying in the face of facts and are totally unfounded.

上述主张严重违背事实，是完全站不住脚的。