2--Here's a common one: Don't Count Your Chickens Before They Hatch
 
1--Is this expression about math, or farming?
 
2--My boss says I'm getting a raise！
 
1--Time to get a new laptop computer and plan my trip to Brazil ...
 
2--Whoa, Whoa, Whoa.
 
1--I'm happy for you, Jonathan, but has the money actually landed in your bank account?
 
2--Well, not exactly, but...
 
1--Don't count your chickens before they hatch.
 
2--Don't count your chickens before they hatch means you should not depend on something until it actually happens.
 
1--Not every egg grows into a chicken.
 
2--So, you cannot count on having those chickens until they come out, or hatch, from their eggs.
 
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注解：
 
1.idioms成语
2.actually实际上
3.hatch孵化

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译文：

1--美式英语，有很多与动物有关的习语。
2--下面就是一个常见的习语：Don't Count Your Chickens Before They Hatch
1--这个表达是关于数学的吗，还是与农业有关？
2--我的老板说我快要加薪了！
1--是时候去买一台新的笔记本电脑，安排我的巴西之行……
2--哇，哇，哇！
1--Jonathan，真替你开心，但是实际上有多少钱存入你的银行账户？
2--额，并没有，但是...
1--不要过早乐观。
2--鸡蛋还没孵出的时候，不要数小鸡，意思是你不应该过早依靠一些事情，直到它真正发生。
1--并不是每一个鸡蛋都会成长为一只鸡。
2--所以你不能指望真正拥有这些鸡直到他们真正出现，或是从鸡蛋中孵化出来。