"hard preparing" is a correct and usable part of a sentence in written English.
You can use this phrase when talking about the act of preparing something difficult or labor-intensive. For example, "I spent the last few days hard preparing for the exam."
I pick and sort apples, harvest garlic and potatoes, and work hard preparing a vegetable patch.
"I will continue to work hard preparing for Augusta," he said, prompting panic buying among local painkiller stockists.
From the way inner lines and solo melodies in the orchestra sprang to life, the musicians must have worked long and hard preparing this performance.
He was the sort of student who studied hard preparing for an exam, was always pessimistic about how he had done, and almost invariably turned out to have done very well.
Students in the school's theater department have been working hard, preparing for a production that runs Thursday through Saturday of "The Laramie Project". The play focuses on the aftermath of the 1998 murder of gay college student Matthew Shepard.
"We've moved into a very intense rhythm of the negotiations, where our officials are working hard preparing issues for some high-level ministerial decisions," Freeland told reporters on Thursday.
Yes, you have to make all kinds of sacrifices, work hard, prepare incessantly…and be lucky.
You work hard, prepare a nice lecture, go to your class, and deliver a great presentation full of passion.
I've got to be ready for that challenge by training harder, preparing better and racing faster.
"I am a firm believer in practising hard and preparing hard and then the door will open.
He could not have trained harder, prepared better or wanted it more".
