a man of affairs 担任重要职务的人，见过大场面的人

【例句】
He is a man of affairs and has had wide experience.
他是见过大场面的人，有丰富的经验。

It is clear to me that you are a man of affairs and action.
我一眼就看出，您是个知识渊博、干脆利落的人。