纠缠 (jiū chán): 絡み合って

The kitten scattered Grandma's yarn all over the floor, and the threads got tangled together and couldn't be untangled no matter what.

He accidentally cast the fishing line onto a tree branch, and the line got entangled with the branch; it took him half an hour to get it down.

These two problems are entangled together; we must first sort out the details before we can find a solution.

She didn't want to continue tangling with that unreasonable person, so she decided to turn around and leave.