以下是一些趣味英语短语：

1. "A piece of cake"：指非常容易的事情。

例句：Don't worry about that test, it's a piece of cake.

2. "Bite the bullet"：指勇敢地面对问题或困难。例句：I know it's hard, but sometimes you just have to bite the bullet and do what needs to be done.

3. "Break a leg"：这里并不是真的让人去折腿，而是指祝愿某人好运或成功。例句：Break a leg at your audition today!

4. "Chew the fat"：指闲聊或无特定目的地聊天。例句：We spent the afternoon chewing the fat and catching up on old times.

5. "Eager beaver"：形容一个非常积极主动的人。例句：Tom is such an eager beaver - he's always the first one to volunteer for anything.

6. "Hit the hay"：指睡觉，通常在晚上使用。例句：I'm exhausted, I think I'm going to hit the hay early tonight.7. "In a nutshell"：用以概括、简要地介绍某件事情。例句：To put it in a nutshell, we need more money to complete the project on time.8. "Piece of work"：形容一个不好相处、行为奇怪或者麻烦的人。例句：My new boss is quite a piece of work - I'm never quite sure what she's going to do next.希望这些短语能够增加你的趣味英语常识。