Meaning of lì hai:
厉害
(used to describe sb or sth that makes a very strong impression, whether favorable or unfavorable) terrible; intense; severe; devastating; amazing; awesome; outstanding; (of a person) stern; strict; harsh; shrewd; tough; (of an animal) fierce; (of a resemblance) striking; (of liquor or chili pepper) strong; (of bacteria) virulent
Tā de shùxué chéngjì fēicháng lìhai.
他的数学成绩非常厉害。
His math grades are outstanding.
Tā shì yī gè hěn lì hài de lǎo bǎn.
他是一个很厉害的老板。
He is a very strict boss.
Nà zhī lǎohǔ kàn qǐlái fēicháng lìhai.
那只老虎看起来非常厉害。
That tiger looks very fierce.
Zhè liǎng fú huà de xiāngsì dù zhēn shì lìhai.
这两幅画的相似度真是厉害。
The resemblance of these two paintings is really striking.
Zhège làjiāo zhēn de hěn lìhài.
这个辣椒真的很厉害。
This chili pepper is really strong.
Zhè zhǒng xìjùn fēicháng lìhai, yào géwài xiǎoxīn.
这种细菌非常厉害，要格外小心。
This type of bacteria is very virulent, extra caution is needed.
