I know the area like the back of my hand.

我很熟悉这片土地，就像熟悉我的手背一样。

youdao

This is where I grew up. I know this area like the back of my hand.

我在这儿长大的，我对这地方再熟悉不过了。

《牛津词典》

B:Yes,Operator.I'd like to place a person_to_person call to Chicago.The number is 932_8647,but I don't know the area code.

喂，接线员，我想打个叫人电话到芝加哥，电话号码是932—8647，但我不知道地区的电话号码。

youdao

That's why I know the area,

我了解这片地方，

美国的不动产市场 - SpeakingMax英语口语达人

So, many of you are new to the Boston area, now I still realize, and I want to let you know it's not required that you be a Red Sox fan to be at MIT.

你们中很多人新来到波士顿地区，现在我仍认识到，我想让你们知道在麻省理工学院,不一定必须做一个红袜队的球迷。

麻省理工公开课 - 化学原理课程节选

All the time, and you know, this is, I mean this area of town is,

任何时候都这样，我是说，

美国贫富差距？ - SpeakingMax英语口语达人

Recently we have not been dominating the ruck area and the breakdown and I know the boys are going to be working hard on it this week - it is a real focus for us.

BBC: Andy Gomarsall column

But I also really, really like having a schedule built into my main mapping client, so I can quickly get directions in an area where I don't know the bus or train route layout.

CNN: Hands-on first impressions of Apple's iOS 6

"No, since I'm in an area where I don't know where the enemy could be, from when I get on the airplane 'til I get off the airplane, I'm thinking the same way, " Maj.

CNN: Refueling 500 feet over Iraq 'keeps you on your toes'