Meaning of jǐng gào:
jǐng gào
警告
Verb
to warn; to admonish
Lǎoshī gěi xuéshēng yīgè yánsù de jǐnggào.
老师给学生一个严肃的警告。
The teacher gave the student a serious warning.
Lǎoshī gěi tāmen yīgè yánlì de jǐnggào.
老师给他们一个严厉的警告。
The teacher gave them a severe warning.