Sentence examples for this is a challenging task from inspiring English sources

"This is a challenging task," Mr. Rodriguez adds.

Since the human heart has very limited regenerative capacity, this is a challenging task.

This is a challenging task – above all cost knowledge is hardly available.

Because of the very small nature of fluid molecules, this is a challenging task.

This is a challenging task that is rarely achieved through simple analysis of raw data alone.

This is a challenging task since a large number of candidate parametrizations are available in any model updating problem.

This was a challenging task, especially since the students' first language is Japanese.

This was a challenging task, given that Erdoğan had survived a coup attempt just the month before, and was, in retaliation, rounding up anyone considered insufficiently faithful to his regime.

This was a challenging task for Pine Coffin, as the battalion had arrived in fewer Dakotas than it would need to conduct a parachute drop, and two aircraft had failed to arrive at Gibraltar; however, sufficient aircraft were found and at 04 30 on 11 November they took off from Gibraltar, landing at Maison Blanche at 09 00.

This was a challenging task for several reasons: any bound ligand may not exploit all possible interaction sites, different bound ligands may satisfy the same interaction site in alternate ways and the presence of a ligand chemical group in a sub-cavity does not necessarily imply that the chemical group is the ideal interaction partner for the associated sub-cavity.

Therefore, designing an efficient controller for this system is a challenging task for the control engineers.