英语翻译英语翻译:只有当你经历了很多磨难后,你才知道幸福可贵（onlyif）过去过去五年来他一直至五年来,他一直致力发展他的事业（concentrateon）最后的决定取决于下一年的经济情况,但

Question

英语翻译
英语翻译:只有当你经历了很多磨难后,你才知道幸福可贵（only if）
过去过去五年来他一直至五年来,他一直致力发展他的事业（concentrate on）
最后的决定取决于下一年的经济情况,但目前我们应该继续工作.（meanwhile depend on）
我不反对摄影感兴趣,在大学里,我还去专修过摄影课来提高我的技术.（not only but）
老实说,为了完成这项任务,我两天两夜都没睡觉.（so as to before the deadline

Answer 1

You would be able to know that happiness is far too valuable only if you have experienced many hardships.
He has been concentrated on the development of his career in the past five years.
The final decision depends on the next year's economic situation, meanwhile, we should continue to work at present.
Not only I do'nt object to interest in photography,but have majored in photography class to improve my techniques for photography during my college days. 
Tell the truth,I didn't sleep for two days and nights before the deadline so as to finish the task.