warn
🇺🇸
/wɔːrn/
🇬🇧
/wɔːn/
to tell someone about danger or a bad thing that might happen
I warn you to be careful with that hot pan.
我警告你要小心那个热锅。
to strongly tell someone what to do or not do to stay safe
She will warn him not to touch the broken glass.
她会警告他不要碰碎玻璃。
to give an official warning after someone breaks a rule
The teacher had to warn the student for talking in class.
老师不得不警告那个在课堂上说话的学生。