muddle up

US /ˈmʌd.əl ʌp/
UK /ˈmʌd.əl ʌp/
"muddle up" picture
1.

confondere, mischiare

to confuse two or more things or people

:
I always muddle up their names because they sound so similar.
Confondo sempre i loro nomi perché suonano così simili.
The instructions were so complicated that I muddled them up.
Le istruzioni erano così complicate che le ho confuse.