信件: letter (sent by mail)...
亭子: pavilion...
转达: to pass on, to convey, to communicate...
烟花: fireworks, prostitute (esp. in Yuan theater)...
积累: to accumulate, accumulation, cumulative, cumulatively...
个人: individual, personal, oneself...
损: to decrease, to lose, to damage, to harm, (coll.) to speak sarcastically, to deride, caustic, mean, one of the 64 hexagrams of the Book of Changes (?)...
冬天: winter...
亲密: intimate, close...
优美: graceful, fine, elegant...