adj. 坚硬的；燧石似的；坚定不移的 (flinty的变形)

Flinty \Flint"y\, a. [Compar. {Flintier}; superl. {Flintiest}.]
Consisting of, composed of, abounding in, or resembling,
flint; as, a flinty rock; flinty ground; a flinty heart.

{Flinty rock}, or {Flinty state}, a siliceous slate; --
basanite is here included. See {Basanite}.