be afraid of doing sth与be afraid to do sth区别为:意思不同、侧重不同、用法不同。
一、意思不同
1、be afraid of doing sth:be afraid of doing sth指担心会发生某事或某情况。
2、be afraid to do sth :be afraid to do sth指害怕做某事或不敢做某事。
二、侧重不同
1、be afraid of doing sth:be afraid of doing sth侧重于做某事的后果。
2、be afraid to do sth :be afraid to do sth侧重于某事。
三、用法不同
1、be afraid of doing sth:They may be afraid of losing you.他们可能害怕失去你。
2、be afraid to do sth :Tom was afraid to answer questions at class.汤姆不敢在课堂上回答问题。