big wheel

US /bɪɡ wiːl/
UK /bɪɡ wiːl/
"big wheel" picture
1.

大人物, 重要人物, 有影響力的人

an important and influential person, especially in a company or organization

:
He thinks he's a big wheel in the company, but nobody really listens to him.
他以為自己是公司裡的大人物,但沒人真正聽他的。
The new CEO is a real big wheel in the tech industry.
新任首席執行官是科技行業的真正大人物