complicate

If the answer to all of these questions is no, a framework will only complicate matters.

如果所有这些问题的答案都为否，那么使用框架只会把事情变复杂。

The selection service is one of the more difficult services to implement correctly because it has some valuable features that complicate the implementation.

选择服务是比较难以正确实现的服务之一，因为它具有一些使实现复杂化的有价值的功能。