小窗 [－－]

Jyutping siu2 coeng1
Pinyin xiǎo chuāng

Definitions (Wiktionary)
  1. verb, slang
    to chat privately (in a chat software)
    (syn.) 私聊
Definitions (Kaifangcidian)
  1. （沒有對應漢語詞彙）