If you describe someone as irreverent, you mean that they do not show respect for people or things that are generally respected.
例句
She's irreverent, fun and hugely popular...她不惧权威,幽默风趣,很受欢迎。Taylor combined great knowledge with an irreverent attitude to history.泰勒知识渊博,而且并不把历史太当回事。
英英词典释义
Adverb
1. without respect;
"the student irreverently mimicked the teacher in his presence"
2. in an irreverent manner;
"in the seventeenth century England had known fifty years of doctrinal quarrels and civil war; clergymen had been turned from their cures, and churches irreverently used"