2 sentences for 不舒服 (bù​shū​fu)

1. 这把椅子坐着很不舒服。

   zhè bǎ yǐ​zi zuò zhe hěn bù​shū​fu.

   This chair is very uncomfortable to sit in.

   Source: Dong Chinese Dictionary

2. 我今天身体有点不舒服，想请假休息。

   wǒ jīn​tiān shēn​tǐ yǒu​diǎn bù​shū​fu, xiǎng qǐng​jià xiū​xi.

   I'm feeling a bit under the weather today and would like to take some time off to rest.

   Source: Dong Chinese Dictionary