Welcome to English in a Minute!
欢迎来到《一分钟英语》栏目！
An envelope is a flat paper container used to send a letter.
信封指平板纸容器，用来寄信。
So, what could it possibly mean to… Push the Envelope
那么，今天的短语是什么意思呢？挑战极限

There has got to be more to this expression.
今天的表达包含了很多内容。
Did you see what Adam is wearing today?
你看到亚当今天穿的衣服了吗？
Yeah...well… he has always liked bright colors.
好吧，看到了，他总是喜欢穿亮色。
That guy really likes to push the envelope.
他真的喜欢挑战极限。
I could not get away with wearing that to work.
我不能容忍自己穿那样的衣服工作。
You know, I like that he is pushing the envelope.
你知道吗，我喜欢他能够挑战极限。
This place needs some more color!
这里需要一些新的色彩！
To "push the envelope" means to go beyond the limits of what is usual.
"挑战极限"指逾越界限，超出惯例。
It can also mean to be very creative.
它还指具有创造力。
This expression comes from airplane pilots.
这个表达源自飞行员。
The word "envelope" in this idiom is actually a mathematical term.
这个习语中的"信封"一词，实际上是数学术语。
It means a set of limits that may not be safe for a plane to go beyond.
它指许多极限点，若飞机超过这些点飞行是不安全的。
And that's English in a Minute!
以上就是今天的《一分钟英语》栏目！