muddle up
US /ˈmʌd.əl ʌp/
UK /ˈmʌd.əl ʌp/

1.
mengelirukan, mencampuradukkan
to confuse two or more things or people
:
•
I always muddle up their names because they sound so similar.
Saya selalu keliru nama mereka kerana bunyinya sangat serupa.
•
The instructions were so complicated that I muddled them up.
Arahan itu sangat rumit sehingga saya mengacaukannya.