big fish

基本解釋

He carefully jerked a big fish out of water.
他小心翼翼地將一條大魚猛地拉出水面。
"We will just follow the big fish, " he says.
“我們肯定是緊隨最大的那條魚”，他說。
I followed my neighbors to the lake of Lashi and took several pictures of villagers hauling the fishing basket, weighing the big fish with great joy.
我跟著我的鄰居來到拉市湖，拍攝了幾張漁民拖著籃子捕魚的照片，他們以喜悅的心情給大魚稱重量。

Half our coral reefs are dead or dying. We've lost 90 percent of deep blue water,big game fish: the halibut,the tuna and the marlin that we all loved to eat.
You don't want to be someone like the fisherman who boasts about one big fish that he caught because it's not-- we're talking about livelihoods.
不要像那個漁夫一樣,因?yàn)樵?jīng)捕過一條大魚而到處炫耀-,我們說的是維持生計(jì)的問題。
耶魯公開課 - 金融市場課程節(jié)選
People are worried about the big fish.
人們擔(dān)心的是那些頭目。
普林斯頓公開課 - 國際座談會課程節(jié)選

Sure, there are times when splurging to reel in a big fish free agent makes sense.
FORBES: Magazine Article

If you describe someone as a big fish, you believe that they are powerful or important in some way.
If you say that someone is a big fish in a small pond, you mean that they are powerful or important but only within a small group of people.