to not pay attention to what is said
не обращать внимания на то, что сказано (ne obrashchat vnimaniya na to chto skazano)
"Whatever I tell him goes in one ear and out the other."
"Что бы я ему ни сказал, всё пролетает мимо ушей." (chto bi ya yemu ni skazal, fsyo proletaet mimo ushey)
to suddenly remember something
to be lost in thought or imagination
to make someone remember something
to arrest or catch someone doing something illegal
a vote that is not yet decided and could go either way
Someone who follows fashion trends blindly