1 sentence

1. 在户外工作要注意避暑，防止中暑。

   zài hù​wài gōng​zuò yào zhù​yì bì​shǔ, fáng​zhǐ zhòng​shǔ.

   When working outdoors, take precautions against the heat to prevent heatstroke.

   Source: Dong Chinese Dictionary