A 开头单词
a contemptible wretch making trouble 小丑跳梁
a contagious disease [医药科学]传染病
a conflict of interest 利益（或利害）冲突（因为相关自身利益而使当事人无法做出公正或公平判断的情况）。
a concrete jungle [新闻学与传播学]石屎森林
a complimentary continental breakfast [纺织科学技术]免费赠送的简式早餐
a complete set of techniques [农业科学]配套技术
a complete set of equipment 全套设备
a complete range of 门类齐全
a complacent look 面有喜色
a compact minivan [新闻学与传播学]小型客货车
a commonplace woman 庸脂俗粉
a commonplace view 尘俗之见
a commonplace matter 常有之事