2 sentences

1. 案情中还存在许多疑点。

   àn​qíng zhōng hái cún​zài xǔ​duō yí​diǎn.

   There are still many suspicious points in the case.

   Source: Dong Chinese Dictionary

2. 由于证件存在疑点，机场安检人员暂时扣留了那名旅客。

   yóu​yú zhèng​jiàn cún​zài yí​diǎn, jī​chǎng ān​jiǎn rén​yuán zàn​shí kòu​liú le nà míng lǚ​kè.

   Airport security personnel temporarily detained the traveler because there were suspicious details regarding their documents.

   Source: Dong Chinese Dictionary