3 sentences

1. 把你的外套挂在钩子上。

   bǎ nǐ de wài​tào guà zài gōu​zi shang.

   Hang your coat on the hook.

   Source: Tatoeba

2. 抓住一个钩子和一把锤子，开始工作。

   zhuā zhù yī​ge gōu​zi hé yī​bǎ chuí​zi, kāi​shǐ gōng​zuò.

   Grab a hook and a hammer and get to work.

   Source: CCMatrix

3. 他看着显微镜下的毛刺，看到小钩子，并受到启发。

   tā kàn zhe xiǎn​wēi​jìng xià de máo​cì, kàn dào xiǎo gōu​zi, bìng shòu dào qǐ​fā.

   He looked at the burrs under a microscope and saw tiny hooks, and was inspired.

   Source: CCMatrix