1 PHRASAL VERB 驶离，离开（…路);转弯;拐入旁路 If you turn off the road or path you are going along, you start going along a different road or path which leads away from it. 驶离，离开（…路);转弯;拐入旁路
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The truck turned off the main road along the gravelly track which led to the farm. [VERB PREP. noun]
卡车驶离大路，沿着通向农场的碎石小道行进。
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He turned off only to find he was trapped in a town square with no easy exit. [VERB PREP.]
他转入岔路，却发现自己困在了一个难觅出口的市镇广场。
SYN branch off, leave, quit, depart from
2 PHRASAL VERB 关上;关掉；截断，切断（…的供应） When you turn off a piece of equipment or a supply of something, you stop heat, sound, or water being produced by adjusting the controls. 关上;关掉；截断，切断（…的供应）
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The light's a bit too harsh. You can turn it off. [VERB noun PREP.]
灯光有点太刺眼了。你可以把灯关掉。
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I have to get up and turn off the radio. [VERB PREP. noun]
我必须起床关上收音机。
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Their water was turned off weeks ago without explanation. [VERB PREP. noun (not pronoun)]
他们的水在几周以前就毫无理由地被切断了。
3 PHRASAL VERB 使丧失兴趣 If something turns you off a particular subject or activity, it makes you have no interest in it. 使丧失兴趣 [Also VERB PREPOSITION n]
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What turns teenagers off science and technology?. [VERB noun PREP. noun]
是什么使青少年对科学技术丧失了兴趣？
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Teaching off a blackboard is boring, and undoubtedly turns people off. [VERB noun PREP.]
照本宣科枯燥乏味，无疑会使人们丧失学习兴趣。
5 PHRASAL VERB 使没有性欲；使失去性欲 If something or someone turns you off, you do not find them sexually attractive or they stop you feeling sexually excited. 使没有性欲；使失去性欲 [informal] [Also VERB PREPOSITION n]
SYN repel, bore, put someone off, disgust