a sawed-off gun的用法和样例：
- It is about the size of a sawed off broomstick.He picks it up nonchalantly and slings it under his arm.
- Jimmy was a sawed - off,skinny runt.
- The dead branches were sawed off.
- Did you know he sawed off the head of the rabbi at Kaunas?
- She sawed off a dead branch.