break in强行进行，打断
break off断绝，结束
break out突发，爆发
break through突破
break up终止，结束，打碎
bring about 产生;
bring forward 提出。
bring out 使出现;公布;出版;
bring up 培养，养大;
by accident偶然，含有不幸的因素
by all means无论如何，必定
by chance偶然，意外地
by choice处于选择
by contrast 对比之下;
by means of 用，依靠; 借助于
by means of借助于
by mistake错误地
by the way顺便提一下
by virtue of 凭借，借助;因为，
by way of经由，通过…方式
call forth唤起，引起
call for邀请，要求，需要
call off放弃，取消
call on/upon访问，拜访
care for 照顾，关心
carry out贯彻，执行，实现
cast light on阐明某事;
catch up with赶上;
catch sight of 看见;
center on 把┄集中在，以┄为中心;
characterized by 以┄为特征;
coincide with 与……相符
come from 来自，来源于;
come off 成功;