walk the walk
US /wɔk ðə wɔk/
UK /wɔk ðə wɔk/

1.
有言実行する, 言葉を行動で示す
to act in a way that is consistent with one's words or claims; to demonstrate one's beliefs or abilities through actions rather than just talk
:
•
It's easy to talk the talk, but can you really walk the walk?
口で言うのは簡単だが、本当に実行できるのか?
•
A true leader doesn't just make promises; they walk the walk.
真のリーダーは約束をするだけでなく、実行する。