3 sentences for 挺 (tǐng — classifier (guns))

1. 阵地上架着一挺机枪。

   zhèn​dì shàng jià zhe yī tǐng jī​qiāng.

   A machine gun was set up at the position.

   Source: Dong Chinese Dictionary

2. 感觉还挺复杂的。

   gǎn​jué hái tǐng fù​zá de.

   It feels quite complicated.

   Source: OpenSubtitles

3. 他在阵地上架起了一挺机枪。

   tā zài zhèn​dì shàng jià​qǐ le yī tǐng jī​qiāng.

   He set up a machine gun on the position.

   Source: Dong Chinese Dictionary