首先了解下be afraid to do something的意思是害怕去做某事，这个短语中afraid是关键字，意思是害怕。
造句为i am afraid to answer the question in the class.意思是我害怕在课堂作业回答问题。
造句为he is afraid to walk lonely in the darkness.意思是他害怕独自走夜路。
beafraidtodosth造句
Don't be afraid to do a thing， do not be afraid to think of the past， don't be afraid to face the future.
不要去害怕去做一件事，不要害怕去想起过去，不要害怕去面对未来。
Anyone dare to believe， do not be afraid to do impossible things， and some people stop to think about it.
有人敢于相信，不害怕去做不可能的事，而有的人却止步于想想而已。
I'm afraid off-peak membership won't do as I'm not free at those times， and I don't just want to be restricted to weekends.
我恐怕不能选非高峰期的会员资格，因为在那些时间段我都没有空闲，而且我也不想只在周末运动。
I am afraid there won't be time to do another tooth today.
恐怕今天没有时间再做另一颗牙了。
I'm afraid I won't be able to do that.
恐怕我做不了这件事。
What do you want to be afraid for?
你有什么要害怕的呢
Girls do not want to be in open competition with boys because they are afraid to appear less feminine and attractive.
女孩子们不想与男孩子们进行公开的比赛，因为她们害怕自己看起来像女汉子，毫无魅力。
Do not be afraid to say you do not understand.
不要害怕说你不懂。
To re-claim the ownership of your mind， fear must be assimilated. Always do what you are afraid to do.
要想重新拥有你的头脑，就必须排除恐惧，经常做自己害怕做的事情。
He shall say: "hear， o Israel， today you are going into battle against your enemies." Do not be fainthearted or afraid do not be terrified or give way to panic before them.
说，以色列人哪，你们当听，你们今日将要与仇敌争战，不要胆怯，不要惧怕战兢，也不要因他们惊恐。