无动于衷
近义词与同义词
按词义分组列出，使用时请结合具体语境。
not act or do anything; "He just stood by when the police beat up the demonstrators"
be inactive or indifferent while something is happening; "Don't just sit by while your rights are violated!"
基本解释
内心没有丝毫触动，一点也不动心对别人的痛苦决不能无动于衷。