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Jyutping ngaai6 dak6
Pinyin ài tè

Definitions (Wiktionary)
  1. verb, neologism, slang
    to tag, mention or reply to someone (in a chat, in a post on social media, etc.); to @

艾特 [--]

Jyutping
Pinyin ài tè

Definitions (CC-CEDICT)
  1. at symbol, @