I'm familiar with : 나 ~을 잘 알아, ~ 경험이 있어

I'm familiar with the function called Siri on the iPhone

I'm familiar with this area

I'm familiar with his work

I'm familiar with the process

I'm familiar with this program

I'm familiar with working this way

Im familiar with how to use this product

You're familiar with most of these products, right?

Yes, But, it's still very hard to understand why we keep producing them. It's not worth it

참고 서적 : 영어회화의 결정적 패턴 (www.yes24.com/Product/Goods/74400061?scode=032&OzSrank=1)