Chinese words with 厉 character meaning (HSK)

厉害

LI4, HAI5
difficult to deal with, difficult to endure, ferocious, radical, serious, terrible, violent, tremendous, awesome

严厉

YAN2, LI4
severe, strict

再接再厉

ZAI4, JIE1, ZAI4, LI4
to continue the struggle (idiom), to persist, unremitting efforts