利害 lìhài HSK7 pros and cons Origin Definitions Defs Strokes Stroke Words Sentences Sents lìhài pros and cons · consequences 利 lì noun benefit advantage; benefit; help or use. Opposite of 弊 bì or 害 hài害 hài noun harm evil; disaster; calamity; a disadvantageous factor or downsidelìhài formidable 利 lì adjective sharp sharp; keen. Opposite of 钝 dùn害 hài verbnoun to harm to do harm to; to injure; to cause trouble for; to result in someone suffering a loss