真心给了狗
[zhēn xīn jĭ le gŏu]
'Gave my sincere heart to a dog' - here 'dog' might symbolize unworthy objects, emphasizing regret of having given true affection or trust to someone or something unreciprocated or disdained, reflecting a metaphorical expression used to describe disappointment or disillusionment with misplaced faith in another.