她小心翼翼地拧紧了水龙头。

She carefully screw up the faucet.

请你帮我拧紧这个瓶盖。

Please help me screw up this bottle cap.

他用力拧紧了螺丝。

He used force to screw up the screw.

你需要拧紧这些螺母才能固定架子。

You need to screw up these nuts to secure the shelf.

工人们正在拧紧机器上的所有螺栓。

The workers are screw up all the bolts on the machine.