1.be afraid of例句：They are afraid of him.他们害怕他。We are afraid of dogs.我们害怕狗。be afraid of后面接人称代词宾格。或者是名词形式。

2.be afraid of是害怕….。Mice are afraid of cats. 老鼠害怕猫。

3.在英语学习中要明确它的汉语意思。多读多练就会有语感就能提高答题能力。

be afraid of的中文意思是“害怕…”，它后面可以跟名词，代词或动词ing形式。比如:

1. Lily is afraid of snakes.

2.The tiger is the king in the forest.

  The other animals are afraid of it.

3. She is afraid of going out alone at night. 此时be afraid of doing可以转化为be afraid to do...形式。