got the memo 留意潮流 – cantonese subtitles are really useful to Hong Kong native speakers who are learning English
Expression is not literal. Different culture has its own expression. So cantonese subtitle hold true 保持有效 to English learner.
I see you’ got the memo 留意潮流 I guess we are in the know 走在時代尖端

get the memo (us informal) to know something that everyone else know:
Everybody seems to wearing green today . I guess I didn’t get the memo.
Credit to Cambridge Dictionary
Hong Kong basic bitch learn English 