warn

/wˈɔːn/

/ˈwɔɹn/

to warn

MAIN VERB

предупреждать

to tell someone about a possible danger or problem in order to prevent harm or damage

напр

1. The security expert warned the business owner that a bad padlock invites a picklock.

2. The teacher's stern grimace warned the students to behave.

3. His doctor warned him that salty foods could increase his blood pressure.

4. The doctor warned him that his unhealthy lifestyle could lead to serious problems.