谢谢你的不关心感谢你的不在乎
[xiè xiè nĭ de bù guān xīn găn xiè nĭ de bù zài hū]
Translates to 'Thank you for not caring, thanks for your disregard'. This is a sarcastic or bitter remark towards someone who has shown no care or attention, expressing mock thankfulness for their negligence, possibly hinting at disappointment.