老师对我们的要求很严厉。
lǎoshī duì wǒmen de yāoqiú hěn yánlì 。
The teacher's requirements for us are very strict.
他的父母一直很严厉。
tāde fùmǔ yīzhí hěn yánlì 。
His parents have always been very strict.
这条规定非常严厉，违反者将会受到惩罚。
zhè tiáo guīdìng fēicháng yánlì ， wéifǎn zhě jiānghuì shòudào chéngfá 。
This regulation is very strict, and violators will be punished.