John is a diehard conservative and is completely against abortion.是什么意思？

John is a diehard conservative and is completely against abortion.

约翰是个顽固的保守主义者,坚决反对堕胎.

John

n. 茅房，厕所；

例句
He was appointed Apostolic Administrator of Minsk by Pope John Paul II.
他被教皇约翰·保罗二世任命为明斯克区的宗座署理。

is

vt.& vi. 是（be的三单形式；n. 存在；

例句
Bollinger 'RD' is a rare, highly prized wine.
博林格RD香槟是一种名贵的备受推崇的葡萄酒。

diehard

n. 顽固分子；adj. 顽固的，死硬的；

例句
Not even their diehard supporters can pretend that this was a great game.
即使是他们的铁杆支持者也无法假装这是一场精彩的比赛。

conservative

n. 保守的人，（英国）保守党党员，保守党支持者；adj. 保守的，（英国）保守党的，（式样等）不时新的；

例句
Three Conservative MPs abstained in the vote.
三位保守党下院议员投了弃权票。

and

conj. 和，与，而且，于是，然后，因此；

例句
I spend a lot on expensive jewelry and clothing...
我花很多钱购买昂贵的首饰和衣服。

completely

adv. 完全地，完整地，完全，彻底，全部，一干二净，很，非常，充分，十分，万分；

例句
...a second career which absorbed her more completely than her acting ever had.
比演艺生涯更让她投入的又一职业

against

prep. 反对，对…不利，紧靠，以防；

例句
His hand brushed against hers; it could have been either accidental or deliberate.
就在有意无意间，他的手轻轻拂过她的手。

abortion

n. 流产，流产的胎儿，畸形，夭折；

例句
There are many people who still find the act of abortion abhorrent.
仍有很多人对堕胎行为表示厌恶。