"make a thing secret" - Translation from English to Arabic

My mom was so angry and embarrassed about the whole thing, she kept it a secret like we were trying to make her miserable.
كانت والدتي غاضبه و محرجه من ذلك الأمر برمته أبقت ذلك سراً، و كأننا نخاول أن نصيبها بالبأس