drive a coach and horses through something

成語所屬單字coach

drive a coach and horses through something — 慣用語

1. To completely ruin a plan or idea by showing its weaknesses.

1.慣用語
釋義

徹底破壞

To completely ruin a plan or idea by showing its weaknesses.

例句

The lawyer drove a coach and horses through the defendant's alibi.

Did the new evidence drive a coach and horses through their argument?