名詞 buster:

1. an informal form of address for a man
   同義詞：fellow, dude
2. a robust child
3. a person who breaks horses
   同義詞：broncobuster
4. a person (or thing) that breaks up or overpowers something
5. a person born in the generation following the baby boom when the birth rate fell dramatically
   同義詞：baby buster

形容詞 bust:

1. lacking funds
   同義詞：broke, bust, skint, stone-broke, stony-broke

1. A crime buster.
   懲治犯罪的人
2. Make with the beers, buster!
   伙計，拿啤酒來！
3. In the blue corner, Buster Smith.
   藍(lán)方，巴斯特·史密斯。

bust.er

n.（名詞）
One that breaks up something:
破壞者：摧毀事物的東西：
例句：
a crime buster.
懲治犯罪的人

A broncobuster.
馴馬人
A particularly robust child.
健壯的孩子：精力特別旺盛的孩子
Informal Fellow. Used as a form of familiar address:
【非正式用語】 老兄：老兄。用于熟人的稱呼語：
例句：
Say, buster, where are you goingô
老兄，你要上哪兒去ô