New Words：

complicate ['kɔmplikeit] v. 使复杂化
complicated ['kɔmplikeitid] adj. 复杂的；难懂的
complication [.kɔmpli'keiʃən] n. 复杂；难题；并发症

Sample Sentences：

The novel is too complicated for your age.
This problem is too complicated for me to solve.
The bad weather added a further complication to our journey.

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