Sentence examples for most difficult part from inspiring English sources

What was the most difficult part?

And the most difficult part too!

"Batting is the most difficult part.

The most difficult part was done.

That's been the most difficult part.

That's the most difficult part for us.

Most difficult part of the job?

What's the most difficult part of being a winemaker?

The most difficult part was starting the MBA program.

Determining when to proceed is the most difficult part.

Q.What has been the most difficult part of training?