1620s, "to intertwine" (as a past participle adjective, early 15c.), from Latin complicatus "folded together; confused, intricate," past participle of complicare (see complication). Meaning "to make more complex" is recorded from 1832, from earlier sense "to combine in a complex way" (17c.). Related: Complicated; complicating.
实用例句
1. To complicate matters further, everybody's vitamin requirements vary.
更麻烦的是，每个人对维生素的需求量是不同的。
来自柯林斯例句
2. I do not wish to complicate the task more than is necessary.
我不想使这项任务不必要地复杂化。
来自《权威词典》
3. These events will greatly complicate the situation.