1. 削弱…的效能;损害;使失效;使变质
If something is vitiated, its effectiveness is spoiled or weakened.

1. take away the legal force of or render ineffective

e.g. invalidate a contract

Synonym: invalidatevoid

2. make imperfect

e.g. nothing marred her beauty

Synonym: marimpairspoildeflower

3. corrupt morally or by intemperance or sensuality

e.g. debauch the young people with wine and women
Socrates was accused of corrupting young men
Do school counselors subvert young children?
corrupt the morals

Synonym: corruptpervertsubvertdemoralizedemoralisedebauchdebaseprofanedepravemisdirect