3 sentences

1. 敌军在深夜侵入了边境地区。

   dí​jūn zài shēn​yè qīn​rù le biān​jìng dì​qū.

   The enemy forces invaded the border area in the middle of the night.

   Source: Dong Chinese Dictionary

2. 该系统检测到有人试图非法侵入数据库。

   gāi xì​tǒng jiǎn​cè dào yǒu rén shì​tú fēi​fǎ qīn​rù shù​jù​kù.

   The system detected an attempted unauthorized intrusion into the database.

   Source: Dong Chinese Dictionary

3. 任何非法侵入私人住宅的行为都将受到法律制裁。

   rèn​hé fēi​fǎ qīn​rù sī​rén zhù​zhái de xíng​wéi dōu jiāng shòu​dào fǎ​lǜ zhì​cái.

   Any act of illegal trespassing into a private residence will be subject to legal sanctions.

   Source: Dong Chinese Dictionary