conceal (someone or something) from (someone or something)
To hide someone or something from someone or something. If you conceal him from the authorities, you might end up getting arrested yourself. We need to conceal this from mom and dad so that we don't get in trouble.
conceal someone or something from someone or something
to hide someone or something from someone or something. Are you trying to conceal something from me? I cannot conceal Roger from the police. Wecould notconceal the present from mom.