2 sentences

1. 警方利用诱饵引诱罪犯上钩。

   jǐng​fāng lì​yòng yòu'ěr yǐn​yòu zuì​fàn shàng​gōu.

   The police used bait to lure the criminal into a trap.

   Source: Dong Chinese Dictionary

2. 鱼上钩了。

   yú shàng​gōu le.

   The fish has taken the bait.

   Source: Dong Chinese Dictionary