冷却 HSK 7-9 lěngquè to cool down; cooling Examples 让它冷却一下 ràng tā lěngquè yíxià Let it cool down a bit. 冷却系统 lěngquè xìtǒng Cooling system 感情冷却了 gǎnqíng lěngquè le Their feelings have cooled off.