- APB
[APB 词源字典]
- also a.p.b., 1960, police jargon initialism (acronym) for all-points bulletin, itself attested by 1953 (perhaps more in the jargon of detective novels than in actual police use).[APB etymology, APB origin, 英语词源]
- new-broom (2)
- "To set about making widespread or fundamental changes. Also with object: to make (one's way) like a new broom", 1950s; earliest use found in Ngaio Marsh (1895–1982), detective novelist and theatre director. From new broom.