by accident 偶然
by air ( bus, train, ship ) 乘飞机(公共汽车,火车,轮船)
by and by 不久以后,逐渐地
by day 日间,在白天
by the way 顺便说
call for 提倡,号召, 需要
call in 召来,召集
call on 拜访,访问
call up 号召,打电话
care for 喜欢;照顾(病人)
carry off 携走,夺走
carry on 继续下去; 继续开展
carry out 开展,执行
catch up with 赶上(或超过)
change into 转换成,把……变成
check in 报到,登记
check out 查明; 结账
clear up 整理,收拾, (天气)放晴
come about 发生,产生
come across (偶然)遇见(或发现)
come back 回来,想起来
come down 落,下来
come from 出生(于),来自
come in 进入,进来
come off 从……离开,脱落
come on 来吧,赶快