形容词
中文翻译：复杂的
同义词：
['complicated', "intricate例句：1. The problem is so complex that it's hard to solve.（这个问题太复杂了，很难解决。）"]
例句：
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1. The problem is so complex that it's hard to solve.
这个问题太复杂了，很难解决。
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2. The software is designed to be complex for advanced users.
这个软件是为高级用户设计的，很复杂。
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3. The architecture of the building is complex and requires careful planning.
这座建筑的结构很复杂，需要仔细规划。