常见例句用作形容詞 (adj.)Because their hearts had turned hard, stubborn and obstinate.重點是在於他們的心已經是硬的,是固執的,是頑固的。But ignorance and misinformation about the health hazards of beryllium die hard.關於健康的破壞物鈹的無知和誤傳是很頑固的。 返回 hard-shell