Warning

Warning: indicate potentially dangerous situations if not avoided, can result death or serious injury
Here are other expressions of warning :

Look out !

Be careful !

Make sure you don’t drop the glass.

Be ready for the consequence.

Keep alert

Watch your step!

Don’t be rude !

Dont misuse words,that many hurt your friends’ fellings

DDanger: Indicates an imminently hazardous situation which, if not avoided, will result in death or serious injury. This signal word is to be limited to the most extreme situations.

  Caution: Indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate injury. It may also be used to alert against unsafe practices.