3 sentences

1. 他陷入了一场复杂的利益纠葛中。

   tā xiàn​rù le yī cháng fù​zá de lì​yì jiū​gé zhōng.

   He was caught in a complex entanglement of interests.

   Source: Dong Chinese Dictionary

2. 家族间的恩怨纠葛已经持续了几代人。

   jiā​zú jiān de ēn​yuàn jiū​gé yǐ​jīng chí​xù le jǐ dài rén.

   The grievances between the families have lasted for generations.

   Source: Dong Chinese Dictionary

3. 双方因为合同条款产生了纠葛。

   shuāng​fāng yīn​wèi hé​tong tiáo​kuǎn chǎn​shēng le jiū​gé.

   The two sides had a dispute over the terms of the contract.

   Source: Dong Chinese Dictionary