警告 (jǐng gào): เพื่อเตือน

The doctor sternly warned him that if he didn't quit smoking, his lung problems would become increasingly serious.

The weather forecast warned that there would be a storm tomorrow afternoon, reminding everyone to avoid going out if possible.

The teacher warned the students that if cheating was discovered during the exam, the grade for this course would be directly recorded as zero.

At the intersection, the police officer warned the driver that speeding was very dangerous; this time he only issued a fine, but next time points would be deducted.

Mom warned my younger brother that if he didn't put his toys away, she wouldn't take him to the zoo this weekend.