[not before noun] unhappy and worried because something unpleasant or disappointing has happened

不快的，心烦意乱的，烦恼的:

She was really upset about the way her father treated her.

父亲那样对她，她感到十分难受。

Debbie was upset that he didn't spend more time with her.

他没有花更多的时间陪自己，黛比觉得不快。

be upset with sb, if you are upset with someone, you are angry and annoyed with them

生某人的气，对某人感到不快:

You're not still upset with me, are you?

你没有还生我的气，对吧？

upset stomach, an illness that affects the stomach and makes you feel sick

肠胃不适

MAKE SB UNHAPPY 使某人生气, to make someone feel unhappy or worried

使〔某人〕心烦意乱，使生气:

Don't do anything that would upset him.

别做让他生气的事情。

CHANGE STH 改变某事, to change a plan or situation in a way that causes problems

打乱，搅乱〔计划、形势等〕:

The chemicals upset the balance of the environment.

这些化学品破坏了环境的平衡。

MAKE STH FALL 打翻某物, to push something over without intending to

打翻，弄翻:

He upset a bowl of soup.

他打翻了一碗汤。

DEFEAT 打败, to defeat an opponent who is considered to be much better than you

打败〔实力远超自己的对手〕:

Jones upset the 40th-ranked American, Cunningham.

琼斯打败了排名第 40 位的美国选手坎宁安。

upset the apple cart, [informal] to completely spoil someone's plans

破坏某人的计划

[C,U] worry and unhappiness caused by an unexpected problem

〔由意外之事引起的〕忧虑，烦闷，苦恼:

If you are the victim of a burglary, the emotional upset can affect you for a long time.

如果你家里被盗，烦恼不安的心情会影响你很长时间。

[C] when a person or team defeats an opponent who is considered to be much better than them

〔体育比赛等中的〕颠覆性胜利，爆冷门:

There was a major upset when the young skater took the gold medal.

那位年轻的滑冰运动员夺得了金牌，爆了个大冷门。

stomach upset, an illness that affects the stomach and makes you feel sick

肠胃不适