His abrasive wit and caustic comments were an interviewer's nightmare.是什么意思？

His abrasive wit and caustic comments were an interviewer's nightmare.

他睿智刁钻，评论尖刻，对任何采访他的人而言都是梦魇。

his

pron. (he的所有格)他的，(he的物主代词)他的东西；det. 属于他的，用于名词前，自己的，指某人的，上帝的；

例句
He claimed that his parents had abandoned him...
他声称父母遗弃了他。

abrasive

adj. 有磨蚀作用的，摩擦的，粗糙的，使人厌烦的，伤人感情的；n. 研磨料，琢料，金刚砂；

例句
His abrasive manner has won him an unenviable notoriety...
他生硬粗暴的态度让他声名狼藉。

wit

n. 机智，才智，智慧，富有机智的人，打趣话，玩笑话；

例句
He was acclaimed for his acerbic wit and repartee...
他以一针见血的妙语巧辩而备受好评。

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。

caustic

adj. <化>苛性的，腐蚀性的，尖刻的，刻薄的，[物]焦散的；adv. 刻薄地，挖苦地；n. 焦散线，焦散面，刻薄，讽刺，[化]苛性碱，[医]腐蚀剂；

例句
His abrasive wit and caustic comments were an interviewer's nightmare...
他睿智刁钻，评论尖刻，对任何采访他的人而言都是梦魇。

comments

n. 批评，意见，评论，评论( comment的名词复数 )，注释，谈话，说明；

例句
On the basis that recognising the problem is halfway to a solution, Mulcahy's comments yesterday should be well received.
鉴于认识到问题的存在就相当于把它解决了一半，马尔卡希昨天的那番话应该会受到欢迎。

were

be的过去时复数和第二人称单数形式，有时代替 was,用于条件从句、动词 wish 之后等；

例句
Shops, houses, and vehicles were set ablaze.
店铺、房子和车辆全都陷于火海。

an

art. 一（在元音字母前代替不定代词a），一任一某一，一个；

例句
He started eating an apple...
他开始吃苹果。

nightmare

n. 噩梦，<口>可怕的事情，无法摆脱的恐惧，泛滥成灾，紧张；adj. 可怕的，噩梦似的；

例句
Maureen put the nightmare behind her...
莫琳已将噩梦抛诸脑后。