Denemek. Ama sonumuz hüsran. Bence boşuna beklemek. Ama genede kalbimdesin

"Denemek. Ama sonumuz hüsran. Bence boşuna beklemek. Ama gene de kalbimdesin. Ben sana inanıyorum. Ama üzülme sen ağlama ben buna dayanamam."

My Try:

It´s testing. But our end is going to be a disappointment. I think waiting is in vain. But you are still in my heart. I trust you. But don´t be sad don´t you cry, I can´t bear it.

 Abla, good translation. Can I add my view on the first word ?

 according to context I would say " trying " instead of " it´s testing".

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it´s about their relationship..and i guess they want to try it [their relationship] again. At least she wants to. But the guy is quite pessimistic about it.

Hocam, "welcome back" diyelim mi ?

 Eyvallah , Harpoon.

No , That is only story I was read not realtion ship