1,you bet 当然,是的,确实是这样

-Are you still planning to go to the concert?

You bet I am

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-Are you looking forward to your move in April?

You bet I am, the rooms here are too small, and there is no storage space

2,you can say that again 用于对别人所说的话表示非常赞同

-This room is freezing

You can say that again

3,you said it 表示赞同

-Now that they are soundproofed room, it sure is a lot easier to work in here

You said it

-Isn’t it wonderful that Sally won the scholarship?

You said it

4,you are telling me 用来表示事情已经很清楚,用不着多说 /// 或 用来表示非常赞同

-This is the longest assignment we’ve had all semester

You are telling me

5,wear away——消耗,磨损

-It's highly abrasive abrasive and quickly wear away the out wax layer protecting inside bodies

-over the years, rains have worn away the rocky mantle(地幔) of the continent

6,wear out——用坏,穿破,穿坏

-and rail road in railroading(铁道运输) doesn't wear out highway as tracks do

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