公安部门提醒居民不要随意点击陌生链接。Gōng'ān bùmén tíxǐng jūmín bú yào suíyì diǎnjī mòshēng liànjiē.The public security department reminded residents not to click unfamiliar links casually.
他在公安局工作,每天都很忙。Tā zài gōng'ānjú gōngzuò, měitiān dōu hěn máng.He works at the public security bureau and is busy every day.
遇到危险时,可以马上打电话给公安部门。Yùdào wēixiǎn shí, kěyǐ mǎshàng dǎ diànhuà gěi gōng'ān bùmén.In a dangerous situation, you can call the public security department right away.