粤典 (words.hk)香港词
01
清朝皇帝賜俾臣下嘅黃色騎馬用短衣（量詞：件／套） (yellow riding jacket granted from the Qing emperor)
名詞02
比喻一個員工同老闆係親屬或朋友關係，因而得到特權或特別待遇。 (figuratively an employee who is privately related to the boss, an employee who enjoys the special favour of the boss)
用例
呢間公司高層個個都係黃馬褂，你呢啲外人想升職都幾難。
ni1 gaan1 gung1 si1 gou1 cang4 go3 go3 dou1 hai6 wong4 maa5 kwaa2, nei5 ni1 di1 ngoi6 jan4 soeng2 sing1 zik1 dou1 gei2 naan4.
In this company, most senior executives are closely connected with the owner, making it very difficult for outsiders like you to get promoted.