令人发指

lìngrénfàzhǐ

[get one's hackles up; disgusting; make one's hair stand on end; make one's hair stdnd up in anger] 因愤怒而致头发直立。 形容愤怒之极

但报总不能不看, 一看, 则昏话之多, 令人发指。 --《鲁迅书信集》