muddle something up
phrasal verb with muddle verb uk/ˈmʌd.əl/ us/ˈmʌd.əl/
UK
C2 把…弄乱
to arrange things in the wrong order
I've arranged the books alphabetically so don't muddle them up. 我已经把书按字母顺序整理过了,不要弄乱了。
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