Introductory it as Subject
The 'strike' group
These verbs indicate either that an idea occurs to someone, or that they fail to notice something. The noun group usually indicates a human being. In the case of escape, it may be something such as my attention or their notice.
They so obviously enjoyed life, enjoyed the things they did together, that it almost escaped their attention that some people did not approve of the family.
Didn't it strike you that he was awfully uptight and tense?
There is one phrasal verb with this meaning, dawn on. Its pattern is it V P n that.
escape hit strike dawn on
I noticed that he was soaking wet, and for the first time it dawned on me that he had come down across the fields from the hill.