经历了坎坷的英文

I am destined to experience bumpy.roughn. 艰苦；高低不平的地面；未经加工的材料；粗糙的部分

We have experienced all the hardship together. We have been committed to each other. We have promised to be good whatever the future may be. You do live in happiness because that is what I want most. It's your birthday today. Happy birthday!

We walked all over, has also experienced many ups and downs.Now we agreed,the faith forever,we said before that we will go well whatever what happens .So you should live happy ,live in good situation.Because you live happily is my most fortunate and happy thing.Today is your birthday.Daring,Happy birthday!

I am bound to live a bumpy life.

We have been going through so much rough time together, nowdays you and I will promise to.......forever.

rough 应该比较合适，它既是形容词又是名词。I am destined to experience the rough and tumble.I am bound to experience the rough and tumble. rough and tumble是纷争、混乱、坎坷波折的意思。