Irony of fate (ভাগ্যের পরিহাস)= He could not succeed by irony of fate.

A stone's throw (খুব নিকটেই) = The apartment is just a stone's throw from the sea.

He will come back by the by. = He will come back within a few minutes.

He is comparatively better today.= He is better today.

Why you have done this? =  Why have you done this?

Maria my student is, on leave today. = Maria, my student is on leave today.

She talks as if  she knew everything

I wish I were a child again. 

If I were rich, I would travel around the world. 

I can not help doing this. 

Afzal said, 'I must write a letter". = Afzal said that he had to write a letter.

He said, "I came home yesterday". = He said that he had come home the previous day.

She said to him "I shall call you as soon as possible". = She told to him that She should call him as as possible.

He remarked, "Two and two makes four". = He remarked that two and two makes four.

He said, that he had done the work. = He said, "he did the work"