3 sentences for 禁 (jìn)

1. 这里禁止大声喧哗。

   zhè​lǐ jìn zhǐ dà​shēng xuān​huá.

   Loud noise is prohibited here.

   Source: Dong Chinese Dictionary

2. 公共场所禁烟。

   gōng​gòng chǎng​suǒ jìn yān.

   Smoking is prohibited in public places.

   Source: Dong Chinese Dictionary

3. 他公然在公共场合违反禁烟规定。

   tā gōng​rán zài gōng​gòng chǎng​hé wéi​fǎn jìn yān guī​dìng.

   He openly violated the smoking ban in a public place.

   Source: Dong Chinese Dictionary