The winning entry will be the first correct answer drawn at random. 从所有给出正确答案的参赛者中，随意抽出的第一个将获得大奖。
Participants were selected at random.
Ten more horses from the races were chosen at random for testing.
The first five correct answers picked at random will be the winners.
Vehicles were pulled over seemingly at random.
The answers seemed to be plucked at random.
See also: random adjective