天火字典

英日字典：ﾈｼｪﾄｹﾌﾜ

ﾈｼｪﾄｹﾌﾜ

､ﾒ､ｸ､ﾁ､遉ｦ､筅ｯ

(exp) 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