我想是时候送上我的祝贺了，因为你以优异的成绩通过了研究生考试。
I guess congratulations are definitely in order since you have passed the postgraduate exam with flying colours.
我写信是想衷心祝贺你高中毕业并考取北京大学。
I am writing to offer my sincere congratulations on your graduation from senior school and enrollment by the Peking University.
用我满怀的爱恋，祝贺你的生日，在此特别的时辰，我想奉告你，是你使我的生活有了意义，我对你的爱无奈用言语表达。
With all the love a heart can hold on your birthday. On this special occasion, I want you to know it is you who make my life meaningful. My love for you is more than I can express.
用我满怀的爱恋，祝贺你的生日，在此特别的时辰，我想奉告你，是你使我的生活有了意义，我对你的爱无奈用言语表达。
With all the love a heart can hold on your birthday. On this special occasion, I want you to know it is you who make my life meaningful. My love for you is more than I can express.
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