飛耳長目 ひじちょうもく sharp eyes and ears used for collecting information far and wide; having the acumen and shrewd discernment gained by widely-collected information; being well-versed on a subject; books which broaden our knowledge exp yoji Advanced ➥
忠言逆耳 ちゅうげんぎゃくじ good advice is harsh to the ears; honest advice is often unpleasant to the ears exp yoji Advanced ➥