每日商務英語 第727期:不切實際

to have one's head in the clouds ———— 不切實際（成語）

英文釋義
(IDIOM) To be impractical; to be dreaming instead of facing matters at hand.

例句
Our company's elderly founder has a son who will someday be our boss, but we worry because he always has his head in the clouds, and can't be trusted to manage our company well.
我們公司的年邁創始人有一個兒子，他有一天將會成爲我們的老闆，但是我們擔心，他不切實際，無法很好地承擔管理公司的工作。