Hong Kong Code-mixing Dictionary

Definition: Often pronounced without the 'd', this is a neutral-sounding code-mixing term used by native Hong Kongers when they are not sure which Cantonese equivalent word to use when something unexpected happens.

Usage: E.g. 哇，你考試咁高分，我好surprised呀。(Wow, you scored a high mark in your exam. I'm so surprised.) E.g. 哇，你最近減肥呀？我好surprised呀。 (Wow, you went on a diet recently? I'm so surprised.) E.g. 哇，你有男朋友？我好surprised呀。(Wow, you got a boyfriend? I'm so surprised.)

Synonym: 驚喜，驚訝

Reference: https://tsangyoksing.hk/2009/10/06/輕音節的正確讀法/

Definition: Derived from 'O嘴', this is a Kongish code-mixing term that refers to feeling surprised and astonished to the point where your mouth literally opens in an O shape.

Usage: E.g. I was O mouth to see the football match turned around! (今次場波反敗為勝，真睇到我O哂嘴。)

Synonym: O嘴

Reference: https://www.scmp.com/yp/discover/lifestyle/features/article/3096419/learn-cantonese-slang-many-faces-hongkongers