keep up appearances

US /kiːp ʌp əˈpɪr.ən.sɪz/
UK /kiːp ʌp əˈpɪr.ən.sɪz/
"keep up appearances" picture
1.

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

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Despite their financial struggles, they tried to keep up appearances for their children.
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She always dresses well to keep up appearances, even when she's feeling down.
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keep up withkeep upkeep it upappearappearancekeep up with the Joneseskeep