a big fish in a small pond

US /ə bɪɡ fɪʃ ɪn ə smɔl pɑnd/
UK /ə bɪɡ fɪʃ ɪn ə smɔl pɑnd/
"a big fish in a small pond" picture
1.

小池塘里的大鱼, 在小圈子里很重要的人

a person who is important in a small group or organization but who would have much less importance in a larger, more competitive group or organization

:
He was a big fish in a small pond at his old company, but now he's just one of many at the new multinational corporation.
他在老公司是小池塘里的大鱼,但现在在新跨国公司里只是众多员工中的一员。
She prefers to be a big fish in a small pond, where her contributions are highly valued and recognized.
她更喜欢做小池塘里的大鱼,在那里她的贡献受到高度重视和认可。