complex adj. 复杂的,合成的,综合的 n. 联合体
例句:It's a complex question and your answer was too simple.
这是一个复杂的问题,你的回答来得太简单了。
complicated adj. 复杂的,难解的
例句: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。
complication n. 复杂化,(使复杂的)因素
例句:Lily's both parents work, which adds complications to their family life.
莉莉的父母都工作,这给他们的家庭生活增添了困难。
intricate adj. 复杂的,错综的,难以理解的
例句:The intricate machine requires a skilled operator.
这种复杂的机器须由技能熟练的人操作。
perplex v. 困惑
例句:When new math was introduced into schools, many parents were perplexed by it.
当学校开设新的数学课时,许多家长时此感到迷惑不解。
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