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

1.
mencampuradukkan, mengacaukan
to confuse two or more things or people
:
•
I always muddle up their names because they sound so similar.
Saya selalu mencampuradukkan nama mereka karena kedengarannya sangat mirip.
•
The instructions were so complicated that I muddled them up.
Instruksinya sangat rumit sehingga saya mengacaukannya.