三年不及我情深似海三月不及我情高似山
[sān nián bù jí wŏ qíng shēn sì hăi sān yuè bù jí wŏ qíng gāo sì shān]
'Three Years Cannot Match My Deep-Sea-Like Love; Three Months Can't Compete With My High-Mountain-Like Affection' indicates no matter lengthily or short period can't compare with depth and intensity of speaker's feelings.