定義: (noun) A code-mixing term that Hong Kongers say in order to avoid bad luck, which is similar to '大吉利是' in Cantonese.用法: E.g. Touchwood講句，如果件貨聽日唔準時到，請問要等到幾時呢？參考: https://lihkg.com/thread/733616/page/1
定義: A code-mixing term that Hong Kongers use to refer to working overtime. Sometimes, it is used as '冬OT' (winter OT), which means 'don't OT'.用法: E.g. Ａ：死喇，咁多野做。唔知今晚要OT到幾時呢？Ｂ：冬ＯＴ！同義詞: 加班參考: http://www.cmi.hku.hk/Ref/Article/article02/01.html
定義: Often used as 'Ah sir' (阿sir), this is a code-mixing term that Hong Kongers use to refer to a male teacher. (Also see 'Missy' for female teacher)用法: E.g. 阿sir，我今日冇帶功課。可唔可以唔好罰我呀？參考: http://www.cmi.hku.hk/Ref/Article/article02/01.html
