Sentence examples for most difficult specimen from inspiring English sources

Although a pile of dung from a cave poses serious analytical challenges, it's probably not the most difficult specimen researchers are sequencing now.

The most difficult decision.

Dinner is the most difficult.

Ms. Minor's most difficult task?

"It's the most difficult to navigate.

He has the most difficult task.

But last year was probably the most difficult.

Which group was most difficult to reach?

The spin option is the most difficult.

What was the most difficult part?

Q Was this your most difficult development?