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| NOUN |
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| /skruː/ |
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| 1 | a thin pointed piece of metal used for fastening one thing to another . It has a raised twisted part on it called a thread . You push and turn it with a screwdriver instead of hitting it with a hammer like a nail 螺丝钉 |
| I undid the screws to get the door off. 我把螺丝拧开才把门拆掉。 |
| Two screws hold the blade in position. 两个螺丝把叶片固定到位。 |
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| 2 | informal a prison warder . This word is used especially by prisoners. 狱警（尤为囚犯使用） |
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| 3 | usually singular impolite an act of having sex 性交 |
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| PHRASES |
| - | have a screw loose informal
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| to be slightly crazy |
| 头脑不正常；有点疯疯癫癫 |
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| - | put/tighten/turn the screws on sb informal
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| to put more pressure on someone to do something , for example by threatening them |
| 对某人施加压力；胁迫某人 |
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| - | a turn of the screw
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| an occasion when someone puts more pressure on someone else to do something |
| 施压；胁迫 |
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