英语翻译亲爱的儿子,生日快乐,恭喜你已经两岁了.不知道当你能读懂这封信的时候,会是用怎样的心情来看待的.但请试着理解我,

Dear Son,
Happy birthday and congratulations on your second birthday.
I don't know how you will feel about this letter when you can read it.
but please try to understand me,I would always like to give the best life to you.
Although I can not take part in your life,I am watching you,and wish everyhing is good of you silently.
If someday,you are facing setback,be staunch!
I am forever on your side,and together with you.
I love you,my son.
Wish you forever happiness.
Mum