Feel it difficult to write. There is pressure at the time of writing, there is a time limit or a given number of words written. To make the task could not be written up in a given time.
Feel that writing is hard Are feeling the pressure at the time of writing, there has been limited time or writing the words. Could not write it up in due time.
I feel that writing is hard. Feeling pressure at the time of receiving the writings with a time limit or the writings to specify the number of words. You can't write the work in a timely manner.