make a joke of
US /meɪk ə dʒoʊk əv/
UK /meɪk ə dʒoʊk əv/

1.
mengolok-olok, meremehkan
to treat something serious as if it is funny or unimportant
:
•
He always tries to make a joke of his mistakes, but sometimes they are serious.
Dia selalu mencoba mengolok-olok kesalahannya, tapi kadang-kadang itu serius.
•
You shouldn't make a joke of someone's feelings.
Kamu tidak seharusnya mengolok-olok perasaan seseorang.