mess up

[phrasal verb] informal

: to make a mistake : to do something incorrectly弄糟；做错

About halfway into the recipe, I realized that I had messed up, and I had to start over.根据食谱快做到一半时，我发现自己搞砸了，只好从头再来。

— often + on

mess (something) up or mess up (something)

a : to make mistakes when you are doing or making (something)做错

b : to make (something) dirty or untidy : to make a mess of (something)弄脏；弄乱

c : to damage or ruin (something)破坏；毁掉

: to damage or change (something) so that it does not work properly改变…；破坏…；使…不能正常运转

I don't know what I did, but I somehow messed up the computer.我也不知道是怎么弄的，反正我把电脑鼓捣坏了。
My watch has been messed up [=has not worked properly] ever since I dropped it in the sink.我的手表自从掉进水槽后就一直出毛病。
The mountains messed up the cell phone signal.山脉干扰了手机信号。

mess (someone) up or mess up (someone)

a US : to beat and injure (someone)（身体上）伤害某人

b : to make (someone) very upset and unhappy使（某人）心情糟糕

Breaking up with her boyfriend has really messed her up.男友分手让她心情很差。
She's been pretty messed up ever since she broke up with her boyfriend.自从和男友分手后，她心情一直不好。

⇒ Main Entry: ² mess

phrasal verb

messed up; messing up; messes up

informal

: to make a mistake : to do something incorrectly

About halfway into the recipe, I realized that I had messed up, and I had to start over.

—often + on

She's afraid she'll mess up on the test.I messed up on my first attempt.