The phrase "a clear protest" is correct and usable in written English.
It can be used to describe a protest that is unmistakable or easily understood, often in the context of expressing dissent or opposition to something.
Example: "The citizens organized a clear protest against the new policy, making their demands known to the government."
Alternatives: "an unequivocal protest" or "a strong protest".
Shin Yul, a political scientist at Myongji University in Seoul, sees that as a clear protest vote against educational authorities in the wake of the ferry accident.In other races too the ruling party had good reason to be jittery.
He never overtly came out against Syria in the dispute, but his resignation in October 2004 was taken as a clear protest against the Syrian pressure to keep Mr Lahoud in office.
In the first parts of the material compulsory activities were put in question and a clear protest could be traced.
"Greendale" makes a loud and clear protest against the oppressive qualities of both -- not the recycling of antique hippie platitudes that it might appear at second hand, but a message aptly tooled for just these times.
A silent but rather clear protest.
In late February and throughout March, army troops repeatedly used force to clear protest sites, often beating and arresting demonstrators.
High court begins granting injunctions to clear protest sites.
Clashes have erupted again in Hong Kong after the authorities moved in to clear protest camps.
Student protest leaders have found little leverage in their demands for greater democracy, and police have been cautious about taking action after previous attempts to clear protest sites only led to influxes of demonstrators.
In Paris, riot police fired tear gas to clear protesting drivers from one of the main entrance roads to the city on the "péripherique" ring road.
Nadal's decision to resign a few months early from his post on the A.T.P. Player Council was a clear sign of protest and, in some peers' view, misplaced pride.
