complicate

Please don't complicate the travel plans by trying to visit five cities in just three days.

(Chinese) 请不要试图在三天内访问五个城市，以免使旅行计划复杂化。

The ongoing legal dispute will likely complicate the sale of the family estate.

(Chinese) 持续的法律纠纷可能会使家庭遗产的出售变得复杂。