man of one's word
01
行動派, 口より先に動く人
a person who prefers to do things instead of just thinking or talking about them
approving
idiom
例
When it comes to friendships, Mark is a man of his word. If he says he'll be there for you, he will support you through thick and thin.
マークは行動派で、仕事を任せるとすぐに取りかかる。
