剛胆

(1)invulnerable to fear or intimidation; "audacious explorers"; "fearless reporters and photographers"; "intrepid pioneers"

(2)恐れまたは脅迫にびくともしない

(3)fearless and daring; "bold settlers on some foreign shore"; "a bold speech"; "a bold adventure"

(4)恐れを知らなくて大胆な

(1)