4 sentences

1. 请不要触摸展品。

   qǐng bú​yào chù​mō zhǎn​pǐn.

   Please do not touch the exhibits.

   Source: Dong Chinese Dictionary

2. 这种农药含有剧毒，千万不要触摸。

   zhè zhǒng nóng​yào hán​yǒu jù​dú, qiān​wàn bù yào chù​mō.

   This pesticide is highly toxic; do not touch it under any circumstances.

   Source: Dong Chinese Dictionary

3. 请勿触摸。

   qǐng wù chù​mō.

   Do not touch.

   Source: OpenSubtitles

4. 他的手轻轻地触摸着那块光滑的丝绸。

   tā de shǒu qīng​qīng de chù​mō zhe nà kuài guāng​huá de sī​chóu.

   He gently touched the smooth silk with his hand.

   Source: Dong Chinese Dictionary