我用拇指指甲拧紧了灯上的螺丝。

I used my thumbnail to tighten the screw on my lamp.

《柯林斯英汉双解大词典》

用膨胀螺丝将上述配件拧紧固定。

Fix and tighten the above-mentioned parts with expansion bolts.

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他正在弄一架相机，用一个珠宝商用的小改锥拧紧顶盖的一个螺丝，这句话几乎是对着相机说的。

He was working on a camera, almost talking to it as he tightened a screw on its top with a jeweler's screwdriver.

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