求翻译：于是，他的儿子便有了足够的勇气，熬过那段水火的岁月，最后，当他坐上盟军的坦克时，他的幸福无可言语，而那种幸福，正是他的父亲用生命为他交换的是什么意思？

As a result, his son will have enough courage to survive the years of the period of fire and water, when he boarded the Allied tanks, his happiness beyond words, and the kind of happiness, it is his father life exchanged for his

Thus, he had a son there was enough courage to mend the prospects for the years to come, and finally, when allied forces him to sit on the tank, he's well-being, and that there is no language barrier, it is happy with his life of his father in exchange for him

正在翻译，请等待...

So his sons will have enough courage, through those years of fire and, finally, when the Allied tanks when he sat on his happiness beyond words, and that happiness, it was his father's life he exchanged

Therefore, his son then had the enough courage, endured that section of water and fire the years, finally, when he sits the allied armies the tank, his happiness does not have may say a word, but that kind of happiness, is precisely his father exchanges with the life for him