screwjob是什么意思

These screws are metric.

这些螺丝钉是用公制尺码制造的。

I can't get the screw to turn.

我拧不动这个螺丝钉。

The screw was so tight that it wouldn't move.

螺丝钉太紧，拧不开。

The screw had worked loose.

这螺丝钉松动了。

The screw is out of condition.

这个螺丝钉坏了。