be afraid 后面该加什么？of？to？for？来看看下面的例句：
My mother is old and ill; therefore, I am afraid of her. (x)
My mother is old and ill; therefore, l am afraid for her. (√)
(妈妈已年老而且病着，因此我很担心她。)
be afraid of 是指“害怕某人/物”。be afraid for = be worried about，是“为……担心/忧心”的意思。
Since you are here, he is afraid of coming. (x)
Since you are here, he is afraid to come. (√)
(既然你在这儿，他是不敢来的。)
be afraid to do sth 是指“不敢或极不愿意做某事”。
你学会了吗？
*本文改编自《别再用错英文》👇🏻
