What is the meaning of "to pretend not to know someone"?

Many people may know that the Advent season focuses on expectation and think ... The word “Advent” is derived from the Latin word adventus, meaning “coming,” ... Definition: Let me know: Keep me informed, tell me. idiom: UK US Let me know by phone or email if you want me to come and pick you up. Jan 4, 2021 ... Knowing math means seeing patterns. Another popular view of mathematics is that it is about seeing and understanding patterns. “When you know, you know!” isn't useless advice. It's not advice AT ALL. It is merely a way to express what most couples can't put into words. Apr 10, 2022 ... “I do not know all of the reasons, all of the purposes, and I do not know everything about the Lord's timing. With Nephi, you and I can say that ... I mean ... I don't know' Combining corpus and qualitative methods to improve the representation of spoken language in ELT materials. Curry, Niall (Principal ... Jun 3, 2014 ... Spiders know the meaning of web music. ScienceResearch. Spider silk transmits vibrations across a wide range of frequencies so that, when ... Meaning: Understand that ION is a slang term used as a short form for “I don't” or “I don't know.” Appropriateness: Consider the context and tone of your ... “It takes one to know one” is an English idiom. It's used when one person wants to point out that what they're being accused of is actually reflected in the ... Jan 18, 2015 ... In this context "who's to know" means the same as "who knows". However "who's to know" is more usually used "who is going to find out". Let's ...