Don't be upset. Sometimes challenges can bring out the best in us.

不要沮丧。有时候挑战能激发出我们最好的一面。

youdao

Don't be upset because opportunity comes in different ways and if your head is down, you might not see it.

不要沮丧，因为机会以不同的方式出现，如果你低下头，就可能看不到它。

youdao

Don't be upset—I'm sure she meant it as a compliment.

别烦恼—我肯定她的原意是要称赞你的。

《牛津词典》

Sometimes a person may be upset because he does not have something as nice as a friend has, like a fast new car.

VOA: special.2009.11.15

I'm not going to name any company or industries, because they're all our customers and they'd be upset.

我在这里就不说它们的名字了，因为它们都是我们的客户，都会因此而沮丧。

斯坦福公开课 - 戴尔CEO-Michael.Dell谈创业和发展课程节选

You know, I think that, don't be upset if you don't understand.

我想如果你看不懂，不必灰心。

要想成为读书达人 - SpeakingMax英语口语达人

And you know, people can be upset about it but this is the decision I made.

NPR: Black Conservatives Torn Between McCain, Obama

To some, the idea that anyone would be upset over this stereotype is ridiculous.

CNN: June 15, 2012 -- Updated 1120 GMT (1920 HKT)

Mr Clinton is also said to be upset that Mr Obama seldom asks his advice.

ECONOMIST: Barack Obama struggled this week to unite his party