n.頑固分子
adj.頑固的
He was much annoyed at my remark and called me a diehard. 他聽了非常不高興，竟罵我思想頑固。
用作形容詞 (adj.)I heard we had a diehard audience member. 聽說咱們又有一位鐵桿觀眾。
John is a diehard conservative and is completely against abortion. 約翰是個(gè)頑固的保守主義者,他堅(jiān)決反對(duì)墮胎。
