在学习英语动词时，一些初学者常碰到大量易混淆的同义词，下面就几组常用的动词加以比较。

1. rise，raise，arise，arouse

“rise” 是不及物动词，过去式为rose，过去分词为risen，其基本词义“上升，上涨”。新概念培训

● The sun rises in the east.

● A good idea rose in my mind. “raise” 是及物规则动词，“举起，提高”。

● He raised his voice to make himself heard.

● The boy can raise the heavy stone.

“arise”，是不及物动词，过去式为arose，过去分词arisen，其语义为“出现，发生” 。

● His curiosity arose due to the question his mother asked.

“arouse”是及物动词，过去式和过去分词为aroused，其语义为“唤醒，引起”

arouse somebody from sleep 把某人唤醒

arouse suspicion