說不過＋人

我嘴上確實說不過你！

I really can't out-argue you!

在某些情況你說不過對方，只好不甘心地認同對方的觀點

In some situations you can't out-argue the other person, so you reluctantly accept their viewpoint.

跟律師說不過，還是算了。

Can't win an argument against a lawyer, better just give up.