of是介词，后面加动词的ing 形式。
be afraid of doing ，主要表示担心会发生某事，是一种无意行为。
例句：The girl was afraid to speak English before so many people because she was afraid of making mistakes．
翻译：这个女孩不敢在那么多人面前说英语，因为她怕出错。
of是介词，后面加动词的ing 形式。
be afraid of doing ，主要表示担心会发生某事，是一种无意行为。
例句：The girl was afraid to speak English before so many people because she was afraid of making mistakes．
翻译：这个女孩不敢在那么多人面前说英语，因为她怕出错。
