English Pod "I'm sorry, I live you"

English Pod presenters persuaded us to apologize if we did a mistake because it is a good way to say sorry. Also they explained the mean of the compound noun nock over which mean to full down something accidentally. And the word explode be used or said when something damaged. However, to be familiar is when you have already known os something, and the sentence "come over to my place" mean to my house. They also mentioned that coincidence is something have by chance. After that they mentioned some story they had by coincidence and summarized their topic with some supporting ideas.