n.顽固分子
adj.顽固的
He was much annoyed at my remark and called me a diehard. 他听了非常不高兴,竟骂我思想顽固。
用作形容词 (adj.)I heard we had a diehard audience member. 听说咱们又有一位铁杆观众。
John is a diehard conservative and is completely against abortion. 约翰是个顽固的保守主义者,他坚决反对堕胎。