1. Please unthread the screw before removing the panel.
请先拆下螺丝再取下面板。

2. I accidentally unthreaded the button on my shirt.
我不小心把衬衫上的钮扣解开了。

3. It can be difficult to unthread a needle without the proper tools.
没有合适的工具，拔去针头会很难。

4. Make sure to unthread the old rope from the pulley before replacing it.
更换绳子前先把旧绳子从滑轮上取下。

5. The seamstress had to unthread the entire hem to make adjustments to the dress.
裁缝不得不拆下整个裙摆来调整衣服。

6. You may need to unthread the cable from the socket to move the appliance.
为了移动电器，你可能需要将电缆从插座中拔出。