prejudicial

1. ADJ If an action or situation is prejudicial to someone or something, it is harmful to them. 有害的; 不利的[正式]

You could face up to eight years in jail for spreading rumours considered prejudicial to security. 散佈危害社會(huì)安全的謠言會(huì)麪臨高達(dá)8年的監(jiān)禁。