2 sentences for 筦 (guǎn — [object marker])

1. 你不用管他叫先生。

   nǐ bù​yòng guǎn tā jiào xiān​sheng.

   You don't have to call him sir.

   Source: OpenSubtitles

2. 你管一台会唱歌的电脑叫什么？

   nǐ guǎn yī tái huì chàng gē de diàn​nǎo jiào shén​me?

   What do you call a singing computer?

   Source: CCMatrix