4 sentences for 闷 (mēn — stuffy)

1. 屋里太闷了，把窗户打开吧。

   wū​li tài mēn le, bǎ chuāng​hu dǎ​kāi ba.

   It's too stuffy in the room; open the window.

   Source: Dong Chinese Dictionary

2. 屋里太闷了，开窗放放风吧。

   wū​li tài mēn le, kāi chuāng fàng​fàng​fēng ba.

   It's too stuffy inside; let's open the window to air it out.

   Source: Dong Chinese Dictionary

3. 这个房间太闷了，开窗通通气吧。

   zhè​gè fáng​jiān tài mēn le, kāi chuāng tōng tōng​qì ba.

   This room is too stuffy; open the window to let in some fresh air.

   Source: Dong Chinese Dictionary

4. 屋里太闷了，我想到外面去透透气。

   wū​li tài mēn le, wǒ xiǎng​dào wài​miàn qù tòu​tòu​qì.

   It's too stuffy inside; I want to go outside for some fresh air.

   Source: Dong Chinese Dictionary