天都不晓得我有多爱他天都不晓得我有多爱她
[tiān dōu bù xiăo dé wŏ yŏu duō ài tā tiān dōu bù xiăo dé wŏ yŏu duō ài tā]
Meaning 'Heaven itself doesn’t know how much I love him/her.', it expresses a profoundly strong and overwhelming amount of love beyond measure or comprehension.