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Most Common American Idioms
## 643. In a nutshell
## 644. In a pinch
## 645. In a rut
## 646. In charge of
## 647. In full swing
## 648. In high gear
## 649. In hot water
## 650. In my book
## 651. In my element
## 652. In seventh heaven
## 653. In spades
## 654. In stitches
## 655. In the bag
## 656. In the black
## 657. In the boondocks
## 658. In the chips/money
## 659. In the doghouse
## 660. In the heat of the moment
## 661. In the least
## 662. In the long run
