call off 放弃,取消
call on/upon 访问,拜访;号召,呼吁
carry on 继续下去,坚持下去;从事,经营
carry out 贯彻(理论等),执行(计划等);实现(目标等)
come across (偶然)发现;(偶然)碰见;偶遇
come on 开始;进展;上演;来吧,快点
come out 出版;结果是(to be);出现,长出
come through 经历,脱险
come to 总计,达到;苏醒,复原
come up 发生;走近,上来