连锁反应 Traditional 連鎖反應 lián suǒ fǎn yìng 🔊 chain reaction + Keep this word Meanings lián suǒ fǎn yìng 連鎖反應 (physics) chain reaction(idiom) chain reaction; series of events each caused by the previous one Its characters 连liánto linkHSK 4锁suǒto lock; to lock upHSK 5反fǎncontraryHSK 5应yīngto agree (to do sth)HSK 7–9