If you think that a type of behaviour or an idea is very bad and morally wrong, you can say that it is reprehensible .
例句
Mr Cramer said the violence by anti-government protestors was reprehensible.克拉默先生说反政府示威者的暴力活动应该受到谴责。...behaving in the most reprehensible manner.最应该受到谴责的行为
英汉词典释义
adj.
应受谴责的
reprehensible behaviour应受谴责的行为
英英词典释义
Adjective
1. bringing or deserving severe rebuke or censure;
"a criminal waste of talent""a deplorable act of violence""adultery is as reprehensible for a husband as for a wife"