西瓜凉了半个夏你暖了我整个心
[xī guā liáng le bàn gè xià nĭ nuăn le wŏ zhĕng gè xīn]
'The watermelon has cooled half the summer, but you have warmed my whole heart'. Uses the imagery of cool, refreshing melon and compares it to someone bringing warmth and comfort into one's heart or life.