166. like, as  

like相似关系,但并不等同;
as同一关系,两者实为一体 例:Don't treat me as a child. (In fact, I'm a child.)

167. after, in (表时间)  

after接时间点;例:after 7:00
in接时间段 例;in five minutes

168. between, among

between两者之间,三者或三者以上两两之间;例:Switzerland lies between France, Germany, Australia and Italy.
among三者或三者以上之间

169. after, behind (表位置)

after强调次序的先后;
behind强调物体静态位置的前后 例:There are many trees behind the house.

170. since, for (完成时间状语)

since接点时间或一句话;例:since 3:00
for接一段时间 例:for three years