6 sentences

1. 别把螺丝拧得太紧。

   bié bǎ luó​sī nǐng de tài jǐn.

   Don't tighten the screw too much.

   Source: Dong Chinese Dictionary

2. 他用螺丝刀把螺丝拧紧了。

   tā yòng luó​sī​dāo bǎ luó​sī níng​jǐn le.

   He tightened the screw with a screwdriver.

   Source: Dong Chinese Dictionary

3. 请用螺丝把架子固定在墙上。

   qǐng yòng luó​sī bǎ jià​zi gù​dìng zài qiáng shàng.

   Please use screws to fix the shelf to the wall.

   Source: Dong Chinese Dictionary

4. 这张椅子的螺丝松了，坐着不稳。

   zhè zhāng yǐ​zi de luó​sī sōng le, zuò zhe bù wěn.

   The screws on this chair are loose, making it unstable to sit on.

   Source: Dong Chinese Dictionary

5. 我去五金店买了一些螺丝和一把扳手。

   wǒ qù wǔ​jīn​diàn mǎi le yī​xiē luó​sī hé yī bǎ bān​shǒu.

   I went to the hardware store to buy some screws and a wrench.

   Source: Dong Chinese Dictionary

6. 他努着劲儿，好不容易才把那个生锈的螺丝拧开。

   tā nǔ zhe jìn r, hǎo​bù​róng​yì cái bǎ nà​ge shēng​xiù de luó​sī nǐng​kāi.

   He strained with all his might and finally managed to unscrew that rusty screw.

   Source: Dong Chinese Dictionary