厉害 lìhai HSK5 severe Definitions Defs Origin Strokes Stroke Words Sentences Sents Showing: potent All meanings 37 lìhai 37 severe 29outstanding 5stern 2potent 1 1 sentence for 厉害 (lìhai — potent) 这种感冒病毒非常厉害。 zhè zhǒng gǎnmào bìngdú fēicháng lìhai. This flu virus is very severe. Source: Dong Chinese Dictionary