8月30日晚上22:01--22：16
afraid to something 用来谈论计划中要做，但又有危险或后果不好的事：
A lot of people are afraid to go out at night.
He was afraid to tell his parents about the broken window.
afraid of -ing 用来谈论我们并非计划要做，但可能会发生的不利于我们的事：
The path was icy, so we walked very carefully. We were afraid of falling.
I don't like dogs. I'm always afraid of being bitten.
So, you are afraid to do something because you are afraid of something happening as a result:
I was afraid to go near the dog because I was afraid of being bitten.
interested in doing 与 interested to do 比较：
I'm trying to sell my car but nobody is interested in buying it.
I was interested to hear that Diane has got a new job.
Ask George for his opinion. I would be interested to know what he thinks.
I was surprised to hear that Diane has got a new job.
sorry to ... 是为正在做或将要做的事表示歉意：
I'm sorry to bother you, but I need to talk to you.
还表示对某人的同情 I was sorry to hear that Fiona lost her job.
当我们为已经做的某事而道歉时，用 sorry for doing
(I'm) sorry for shouting at you yesterday.
(I'm) sorry I shouted at you yesterday.
