名詞
喺香港一般指警隊中嘅高級警員(有一定年資但表現不足以升任三柴，所以又稱「傷心柴」)，亦可以泛指紀律部隊中，職階標示為一個箭形嘅員佐級人員 senior constable, especially senior police constable; sometimes called "heart-breaking firewood", as this rank is for police constables that have long service experience but lack of performance to promote to sergeant. Literally: one firewood