"clear obstacle" is correct and usable in written English.
You can use it when referring to removing or overcoming a hindrance or hurdle. For example, "With his hard work and dedication, John was able to clear the obstacle of passing the exam."
Sebastian Giovinco continues to dominate the MLS playoffs – his hat-trick on Sunday helped Toronto FC to a handsome win over New York City FC – but his day job remains a clear obstacle to his recall to the Italian national team.
Sometimes there's a clear obstacle, like a mismatch between product and problem to be solved, an inability to scale or the loss of an internal sponsor.
In some Member States, the physical presence of the patient and the health professional is required, which is a clear obstacle to using teleradiology.
Although she maximizes patient interaction and is hyper focused on the development of a strong doctor-patient relationship, there is bound to be some disruption that happens by the clear obstacle of technology that lies between the patient and doctor during this type of encounter.
And one clear obstacle stands in their way: other senators who won't sign off on any reform until they feel the IRS has rooted out the problems that allowed the scandal to fester in the first place.
Thio Li-ann has said that the democratic character of the process for electing the President may be hampered by the application of stringent, elitist criteria, such that it becomes a "clear obstacle to the unmediated expression of the citizens' preferences".
Plenty of others have been known to clear obstacles with more panache.
It calls on federal officials to help clear obstacles to construction of an oil pipeline from Azerbaijan to the Mediterranean.
Many of their findings led to important discoveries about the universe, and their work helped clear obstacles for women in science.
I mean, we are?" " — and what is the point, if there are clear obstacles or any unclear idea of where this is headed, of continuing?
"She was right there, every step of the way, trying to clear obstacles for Jay, looking for every trick," Dr. Mark B. Pochapin, who cared for Jay Monahan, recalls.
