老天让我遇到你注定让我爱上你
[lăo tiān ràng wŏ yù dào nĭ zhù dìng ràng wŏ ài shàng nĭ]
'Heaven made me meet you, therefore destined me to fall in love with you'. Expressing that love at first sight or an arranged destiny by divine will has led them to fall for the other person.