lì hai
difficult to deal with
difficult to endure
ferocious
radical
serious
terrible
violent
tremendous
awesome
zài jiē zài lì
to continue the struggle (idiom); to persist
unremitting efforts
biàn běn jiā lì
lit. change to more severe (idiom); to become more intense (esp. of shortcoming)
to aggravate
to intensify
yán lì dǎ jī
to strike a severe blow
to crack down
to take strong measures
léi lì fēng xíng
pass like thunder and move like the wind (idiom); swift and decisive reaction
yán lì pī píng
to criticize severely
to slate
sè lì nèi rěn
lit. show strength while weak inside (idiom); appearing fierce while cowardly at heart
a sheep in wolf's clothing
zhèng yán lì sè
solemn in countenance (idiom); strict and unsmiling
zhèng yán lì sè
solemn in word and countenance (idiom); strict and unsmiling
also written 正顏厲色|正颜厉色
fā yáng chuō lì
to be full of vigor (idiom)
sè lì cí yán
severe in both looks and speech (idiom)
lì mù ér shì
to cut sb a severe look (idiom)
bù míng jué lì
although I don't understand it, it seems pretty awesome (Internet slang)
lì xíng jié yuē
to practice strict economy (idiom)
fā yáng dǎo lì
see 發揚踔厲|发扬踔厉[fa1 yang2 chuo1 li4]