Smart aleck
01
知ったかぶり, 生意気な人
an annoying individual who behaves as if they know everything
Disapproving
Idiom
例
During the game, he made fun of the opposing team 's mistakes, acting like a smart aleck and rubbing it in their faces.
試合中、彼は相手チームのミスを嘲笑し、知ったかぶりのように振る舞い、彼らの顔にそれをこすりつけた。
