Hong Kong Code-mixing Dictionary

Definition: A code-mixing term used by Hong Kongers to refer to talking to someone in order to know what they have been doing.

Usage: E.g. 我地幾時會再catch up吓？好耐冇見喇。

Synonym: 趕上進度

Definition: A code-mixing term used by working class Hong Kongers to refer to whether people are on the same page of a situation or task.

Usage: E.g. 我覺得我地唔係好sync。可唔可以catch up一吓我地做既野?

Synonym: 同步

Reference: https://www.cw.com.tw/article/5114233