2 sentences for 低级 (dī​jí — vulgar)

1. 他总是喜欢讲一些低级的笑话。

   tā zǒng​shì xǐ​huan jiǎng yī​xiē dī​jí de xiào​hua.

   He always likes to tell tasteless jokes.

   Source: Dong Chinese Dictionary

2. 这种低级的谎言，只能用来愚人而已。

   zhè zhǒng dī​jí de huǎng​yán, zhǐ néng yòng​lái yú​rén ér​yǐ.

   Such low-level lies can only fool simpletons.

   Source: Dong Chinese Dictionary