adj.燧石的；坚硬的；固执的
Today，the innovation begin to touch the flinty kernel. 今天，改革正开始触及坚硬的内核。
Flinty Miss Manners does not recognize any holidays from etiquette. 严肃的礼仪小姐可是从来不休假的。
Man attacks the flinty rocks, upturns mountains by their roots. 人伸手击打隧石，山基为之震撼动摇。
Courage and insight , action , motion, are flinty, arrogant, sharp , fight. 胆识、行动、运动、强硬、霸气、尖锐、争斗。
A. Athletic Fish-Eye Seat Base is the upgrade of enhanced rubber seat with superficial flinty processing, non-loudness. 竞技鱼眼上座，是在强化橡胶上座的再一次升级，表面硬质加工处理，不易产生声响。
