Keep up appearances American British informal verb phrase
If you say that someone keeps up appearances, you mean that he tries to keep an impression of richness and well-being because he wants to hide his bad situation.
She dressed up to keep up appearances for her kids in the parent-teacher meeting.
Jane spent all his saving to buy a new car simply because he wanted to keep up appearances with his friend.
Despite being in debt, she still kept up appearances in the company.
Used to imply that someone is acting as if he or she is demure, innocent, sincere or reserved but they may be not
To pretend to treat someone kindly, but in fact it's not true
False; fake
To say what other people want or expect to hear
The verb "keep" should be conjugated according to its tense.