燕雀鴻鵠えんじゃくこうこくenjakukoukokuExpressions (phrases, clauses, etc.)how can a small bird (a sparrow, a petty person) understand the aspirations of a great bird (a phoenix); only a hero can understand a hero
正鵠を射るせいこくをいるseikokuwoiruExpressions (phrases, clauses, etc.), Ichidan verbto hit the mark; to hit the nail on the head