piece of cake 小菜一碟
The math test was a piece of cake.
to go bananas 抓狂，歇斯底里
He went bananas.
bring home the bacon 养家糊口
My husband brings home the bacon.
have bigger fish to fry 另有要事
I couldn’t attend the meeting, I had bigger fish to fry.
That’s the way the cookie crumbles.
like two peas in a pod 形影不离，一模一样
They are like two peas in a pod.
as red as a cherry 像樱桃一样红
Her cheeks were as red as cherry.
eat like a horse 食量大如牛
My husband eats like a horse.
walk on eggshells 小心翼翼（不伤害某人）
I’ve been walking on eggshells around my boyfriend.
hard nut to crack 难以对付的事或人
He is a hard nut to crack.
cut from the same cloth 如出一辙
My son and I are cut from the same cloth.
with a fine-toothed comb 严密的审查
we went over the flat with a fine-toothed comb.
fit like a glove 完全相合
That dress fits you like a glove.
to lose one’s shirt 失去所有的钱
I lost my shirt in a poker game.
roll up one’s sleeves 准备大干一场
It’s time to roll up your sleeves and get to work.
have an ace up one’s sleeve 握有王牌
That girl always has an ace up her sleeve.
to laugh up one’s sleeve 偷偷地笑
I was laughing up my sleeve during the whole meeting.
get the boot 解雇
I got the boot today, I have to find a new job.
fill someone’s shoes 顶替他人的位置
No one can fill my mother’s shoes.
below the belt 不公正的
That move was below the belt.
as quiet as a mouse 非常安静
Don’t wake them up! Be as quiet as a mouse.
as blind as a bat 看不见，瞎的，也可以用来调笑某人视力不好
Without glasses she’s as blind as a bat.
as stubborn as a mule 顽固
I can’t convince you to anything, you’re as stubborn as a mule.
as busy as a bee 超级忙碌
She never has free time anymore, she’s as busy as a bee with work.
as red as a lobster 通红
Whenever he gets mad, he becomes as red as a lobster.
as ugly as a toad 丑
That girl is as ugly as a toad.
as free as a bird 自由自在
Travelling makes you feel as free as a bird.
as silly as a goose 笨
You’re being as silly as a goose.
as wise as an owl 聪明
I always listen to my father, he’s as wise as an owl.
as mad as a hornet 生气，抓狂
I’m so angry! I’m as mad as a hornet.