口语，“随机的”用英语怎么说？
randomadj.
happening, done, or chosen by chance rather than according to a plan
任意的;随机的;胡乱的
random checks/tests/attacks
随机检查/随机测试/胡乱攻击
at random
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。
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