The phrase "a challenging surface" is correct and usable in written English.
You can use it to describe a surface that presents difficulty or requires skill to navigate or work with.
Example: "The rock climbing route featured a challenging surface that tested the climbers' abilities."
Alternatives: "a difficult terrain" or "a tough surface".
Jack Leaning and Richard Pyrah are shaping up as Yorkshire's modern equivalents, and both contributed significantly with the bat to ensure the hosts claimed a slender first-innings advantage on a challenging surface.
And while the pitches in England and Wales this summer will not be as bouncy as this, if Morgan's side are beaten in the semi-final or final on a challenging surface of any kind, there will have been plenty of warning signs.
First, it was conducted in a single municipality that received its water from a challenged surface water source and treated water with chloramination.
The neuromechanical control principles of animal locomotion provide good insights for the development of bio-inspired legged robots for walking on challenging surfaces.
However, balancing the risk of bleeding with the antithrombotic efficacy of these drugs continues to be a challenge, and surface modification of devices with these drug molecules to mitigate device thrombosis locally has been explored.
Thus, while tackling instances of bi-level optimization, a significant challenge surfaces from the fact that multiple upper level candidate solutions are to be analyzed at the same time by inferring the corresponding optimum response from the lower level.
With regard to BLOPs, a significant challenge surfaces from the fact that multiple upper level candidate solutions are to be analyzed at the same time by inferring the corresponding optimum response from the lower level.
A second curricular challenge surfaced from the development of a biomathematics area as well as the instigation of the Principles of Biomathematics course.
The challenges surface in test scores.
As I've taken the Level I series, I've had some personal challenges surface -- in particular, the fine line between feeling sexy and feeling "slutty".
His strong short game is well-suited for Augusta National's challenging putting surfaces.
