优胜劣汰 Traditional 優勝劣汰 yōu shèng liè tài 🔊 survival of the fittest HSK 7–9 + Keep this word Meanings yōu shèng liè tài 優勝劣汰 (idiom) survival of the fittest Its characters 优yōuexcellent胜shèngvictoryHSK 5劣lièinferior汰tàito discard