There's no need to turn on the light.
不用开灯.
《现代汉英综合大词典》
Will you show me how to turn on the light?
你可以告诉我怎么开灯 吗 ?
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Please turn on the light switch.
请把电灯开关拉开.
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Mr. Brown jumped off the bed and tried to turn on the light.
布朗先生跳下床开灯,但是停电了,灯不亮.
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The candle's flame core has been used up, turn on the light, please!
蜡烛的焰心烧完了, 你去开灯吧!
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Fear grows in darkness; if you think there's a bogeyman around, turn on the light.
忧惧根植在黑暗中; 假使你想像附近有吓人的鬼怪, 就开灯吧.
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