keep up appearances
US /kiːp ʌp əˈpɪr.ən.sɪz/
UK /kiːp ʌp əˈpɪr.ən.sɪz/

1.
menjaga penampilan, menjaga air muka
to pretend to be happier, less poor, etc., than you really are, because you do not want people to know how bad your real situation is
:
•
Despite their financial struggles, they tried to keep up appearances for their children.
Walaupun menghadapi masalah kewangan, mereka cuba menjaga penampilan demi anak-anak mereka.
•
She always dresses well to keep up appearances, even when she's feeling down.
Dia sentiasa berpakaian kemas untuk menjaga penampilan, walaupun dia berasa sedih.