[lì hɑi]
（剧烈的、 严厉的） severe; sharp; cruel; fierce
be severely criticized
被批评得很厉害
The man is merciless.
这人厉害极了。
The fellow is as sharp as a razor. Be careful in your dealings with him.
这家伙厉害得很， 你和他打交道时要特别小心。
be seriously ill
病得厉害
It's terribly hot here.
这里热得厉害。