1.me is flying away，and years are passing by.only our friendship is always in my heart.farewell，my friend!take care，my friend!
流水匆匆，岁月匆匆，唯有友情永存心中。朋友，再见!朋友，珍重!
2.no formula can be used to calculate your devotion;no poems and songs to express our heartfelt gratitude to you.it is you that cultivate our minds with your extensive knowledge and your noble spirits.on this special occasion，please accept our best wishes!
加减乘除，算不出您作出的奉献!诗词歌赋颂不完对您的崇敬!您用知识的甘露，浇开我们理想的花朵，在这不寻常的时刻，请接受我深深的祝福!
3. 4.oh，my friend，do you like stars?if you feel lonely far away from home，look up at the stars in the sky， where there is a star for luck that i''ve send you.
朋友，你喜欢星空吗?如果有一天你在远方流浪时感到孤独、忧郁，请抬头看看星空，那儿有我送给你的幸运星。
5.life is a profound book.other's notes cannot replace your own understanding.may you find and create something new in it.
生活是一本精深的书，别人的注释代替不了自己的理解。愿你有所发现，有所创造。
6.don't be disappointed on the journey of life.there are friends in the world.seize your chance and value your opportunities.may our friendship be everlasting.
人生路上何须惆怅，天涯海角总有知音。把握机会珍惜缘分，祝愿我们友谊长存。
7.time does not water down the wine of friendship;distance does not separate our hands of longing.wishing you happiness forever!
时间冲不淡友情的酒，距离拉不开思念的手，祝福你，永远永远!
8.i have three wishes：may our friendship warm our hearts!may joy be always with you and me!may we often meet each other!
我有三愿：一愿友情温暖我们心田，二愿欢乐永驻你我心间，三愿我们常常相见!
9.thinking of each other is just like a thread connecting both you on the one end and m e on the other end.
思念是一条细长的线，一端系着你，一端系着我，时刻连接着两颗跳动不息的心。
10.if i should meet thee， after long years， how should i greet thee? with silence and tears.
—[britain]george gordon byron
多年离别后，抑或再相逢，相逢何所语?泪流默无声。 ———[英]拜伦
11.if life cheats you，don''t be disappointed and worried.calmness is needed in melancholy days.believe that pleasantness is coming.long for the bright future though you are unhappy. all will pass by and everything will be over.past things will be pleasant memories. —[russia]alesander pushkin
假如生活欺骗了你，不要悲伤，不要心急。阴郁的日子需要镇静。相信吧，那愉快的日子即将来临。心永远憧憬着未来，尽管你现在常常是阴沉的。一切都是瞬息，一切都会过去，而过去了的，将会变成亲切的怀念。 ———[俄]普希金
12.m not an outstanding student of yours，but you are the most respectable teacher to me in my eyes. on this special day，i extend my heartfelt respects to you!
我不是您最出色的学生，而您却是我最尊敬的老师。在这特别的日子里，我要把一份崇高的敬意献给您!
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