私聊 [－－]

Jyutping si1 liu4
Pinyin sī liáo

Definitions (Wiktionary)
  1. verb
    to chat privately (especially in a chat software)

私聊 [群－]

Jyutping
Pinyin sī liáo

Definitions (CC-CEDICT)
  1. (computing) to chat privately; private chat