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1、turn on
打开（设备）；接通（…的供应）
I want to turn on the television.
我想开电视。
She asked them why they hadn't turned the lights on.
她问他们为什么不开灯。
对…进行身体（或语言)攻击;斥责
Demonstrators turned on police, overturning vehicles and setting fire to them.
示威者攻击警察，推翻车辆并将其纵火焚烧。
He turned on Pete and accused him of being mixed up in drugs.
他怒斥皮特，指责他沾染毒品。
诱惑；激发…的性欲
The body that turns men on doesn't have to be perfect.
并不是非得完美无瑕的身体才能激发男人的性欲。
2、purpose
意义；用途
The purpose of the occasion was to raise money for medical supplies.
那次活动是为筹集资金购买医药物资。
Various insurance schemes already exist for this purpose.
已经有各种保险计划可以实现这一目的。
目标；目的
They might well be prepared to do you harm in order to achieve their purpose.
为达成自己的目的，他们说不定已经做好了伤害你的准备。
His purpose was to make a profit by improving the company's performance.
他的目标是通过提高公司的业绩来实现盈利。
意志；毅力；决心
The teachers are enthusiastic and have a sense of purpose.
教师们很热情并且很有决心
