夏天是西瓜的爱人西瓜是夏天的情人
[xià tiān shì xī guā de ài rén xī guā shì xià tiān de qíng rén]
'Summer Is Watermelon's Lover And Watermelon Is Summer's Lover'. It humorously anthropomorphizes summer and watermelons, illustrating their inseparable relationship especially in warm countries.