show off
US /ʃoʊ ɑːf/
UK /ʃoʊ ɑːf/

1.
menunjuk-nunjuk, berlagak, bermegah
to behave in a way that is intended to attract attention and admiration, and that other people often find annoying
:
•
He's always showing off his new car.
Dia selalu menunjuk-nunjuk kereta barunya.
•
She likes to show off her knowledge.
Dia suka menunjuk-nunjuk pengetahuannya.