相亲相爱的英文怎么说呀？

相亲相爱to be kind and love to each other
比翼双飞reach for the sky together

还有其它的也不错:)~
百年好合a harm on iousunion lasting a hundred years

天缘巧合 a destiny given by heaven and a wonderful match

美满良缘 a happy and wonderful marriage

郎才女貌 talented guy and beautiful lady

白头偕老 (of a marriecouple)to stick to each other till the hair turns gray.