4 sentences

1. 此中必有弊，我们需要仔细核查账目。

   cǐ zhōng bì yǒu bì, wǒ​men xū​yào zǐ​xì hé​chá zhàng​mù.

   There must be some malpractice here; we need to carefully audit the accounts.

   Source: Dong Chinese Dictionary

2. 银行正在仔细核查申请人的身份信息。

   yín​háng zhèng​zài zǐ​xì hé​chá shēn​qǐng​rén de shēn​fèn xìn​xī.

   The bank is carefully verifying the applicant's identity information.

   Source: Dong Chinese Dictionary

3. 海关人员正在核查这批进口货物的真伪。

   hǎi​guān rén​yuán zhèng​zài hé​chá zhè pī jìn​kǒu huò​wù de zhēn​wěi.

   Customs officers are checking the authenticity of this batch of imported goods.

   Source: Dong Chinese Dictionary

4. 安全部门定期对该化工厂进行现场核查。

   ān​quán bù​mén dìng​qī duì gāi huà​gōng​chǎng jìn​xíng xiàn​chǎng hé​chá.

   The safety department conducts regular on-site inspections of the chemical plant.

   Source: Dong Chinese Dictionary