4.Don't we all know that it must be a match, that they were over head and ears in love with each other from the first moment they met?
他們是天生一對--從他們初次見面的那一刻起,他們便彼此深深相愛,難道這不是眾所周知的嗎?
a match:a person or thing that combines well with somebody/something else 相配的人(或物);般配的人(或物)