gangbuster
/ˈgæŋˌbʌstə(r)/noun
1- informal 〈非正式〉a police officer or other person who takes part in breaking up criminal gangs侦缉犯罪团伙的警官; 侦破犯罪团伙者。
1.1
- as modifier N. Amer. very successful, especially commercially〈北美〉（尤指商业上）非常成功的：
the restaurant did gangbuster business.
这家饭店生意非常火暴。
短语
go （或 like） gangbusters
- N. Amer. used to refer to great vigour, speed, or success〈北美〉很有活力; 速度很快; 非常成功：
the real estate market was going gangbusters.
房地产市场迅猛发展。