adj.复杂难懂的；结构复杂的
动词complicate的过去式和过去分词.
The novel is too complicated for your age. 这小说就你的年龄来说太复杂了。
The tax laws are so complicated that only an expert can provide enlightenment. 税务法非常复杂，只有专家才能解释清楚。
Obtaining a refund from the company is a complicated procedure. 向公司索取退款手续很复杂。
An automobile is a complicated apparatus. 汽车是台复杂的机器.
adj.不复杂的
