3 sentences

1. 不要把雪茄烟吸进去。

   bù​yào bǎ xuě​jiā​yān xī jìn qù.

   Do not inhale the cigar smoke.

   Source: CCMatrix

2. 尽量别把烟吸进去。

   jǐn​liàng bié bǎ yān xī jìn qù.

   Try not to inhale the smoke.

   Source: OpenSubtitles

3. 注意你的呼吸进入和离开肺部的方式。

   zhù​yì nǐ de hū​xī jìn​rù hé lí kāi fèi​bù de fāng​shì.

   Notice the way your breath enters and exits your lungs.

   Source: CCMatrix