(一).It dawned on me (that) S+V 我认为（以为）....../我开始理解......了

原音重现：
A:So you let your kids go camping alone?
你要让孩子们单独去野营吗？
B:Yeah. It dawned on me that they could take care of themselves.
是的，我意识到他们能够照顾好自己。
英英释义：
This is usually said to indicate the person understands something clearly now. It is similar to saying "I realized S+V".
美剧表达：
1.It never dawned on me.
我完全不知道。

(二).It hit me that S+V 突然想起（意识到）....../头脑中突然浮现......

原音重现：
A:Why did you start your new business?
你为什么开始创业？
B:Well, it hit me that this is a good place for a restaurant.
我认为这里很适合开餐厅。
英英释义：
Like the previous phrase, this is a way of saying the person suddenly understands something.
美剧表达：
1.It hit me that this isn't going to work.
我觉得这行不通。