come out(日、月、星等)出现;(花)开放;出版;发表

come round(非正式的)绕道而来;过访;重又来到;苏醒

in common共用，共同处，公有

in company with(和...)一道

be composed of由...组成

concern oneself with研究的对象是…

concern oneself in关心，忙于

concern oneself about关心，忙于

in concert with sb.与……一致

in conclusion最后(用在结束语中)

on this condition在此条件下

on condition that在...条件下，如果...

to be in condition健康

to be out of condition不健康

in conflict with(和...)有矛盾，不一致

in connection with关于，与…有关

come in contact with接触，碰上

out of contact推动联系，没有接触

on the contrary与此相反，正相反

out of control失去控制