flinty rock 燧石岩
flinty soil 含燧石的土壤
flinty character 坚毅冷峻的性格
flinty expression 冷峻的表情
flinty determination 坚定的决心
1. His flinty attitude made it difficult to change his mind.
他冷峻坚定的态度让人很难改变他的想法。
2. The mountain area has flinty soil that is hard to farm.
这个山区有含燧石的土壤，很难耕种。
3. She showed a flinty determination to finish the project.
她表现出了完成项目的坚定决心。
A: His flinty personality makes him seem serious.
A：他冷峻的性格让他看起来很严肃。
B: Yes, but he is actually very helpful.
B：是的，但实际上他非常乐于助人。
1) 形容物质像燧石一样坚硬
2) 形容人的性格坚定、坚强、不易动摇
3) 形容表情或态度冷淡、严肃
1. 含燧石的；像燧石一样坚硬的。
e.g. The region is known for its flinty rocks.
这个地区以含燧石的岩石而闻名。
2. 坚定的；冷峻的；不易表达感情的。
e.g. He kept a flinty face during the difficult meeting.
在困难的会议期间，他保持着冷峻的表情。
adjective
1. Hard like flint; containing or resembling flint.
2. Showing a strong, tough, and unemotional character.
Synonym: tough, hard, stern