① A fish out of water someone who is uncomfortable in a specific situation

　　不得其所的人

　　I felt like a fish out of water at my new school.

　　到新的学校后，我感觉不是很自在。

　　② fish or cut bait either commit to what you&`&re doing, or give it up entirely.

　　要么全力以赴要么放弃

　　Steve has been dating Jane almost six years, and his parents think it&`&s time for him to fish or cut bait.

　　Steve和Jane在一起已经快6年了，是时候要做个决定了。

　　③ like shooting fish in a barrel

　　Very easy; much too easy

　　非常简单

　　Playing this game is easy! It&`&s like shooting fish in a barrel[ ?b?r?l ]!

　　这个游戏太简单了！就像去抓桶里的鱼一样。

　　④ off the hook very good, excellent;

　　cool.

　　非常好

　　That song is off the hook!

　　这歌太棒了！

　　⑤ Open a can of worms to create a situation that will cause trouble or be unpleasant

　　自找麻烦

　　I asked her about her boyfriend, which really opened a can of worms because it turned out that they had just broken up.

　　我问了下她男朋友的事，我不知道他们已经分手了，真是自找麻烦。