下巴輕輕 (haa6 paa4 heng1 heng1) — speak/promise sth casually or carelessly in Cantonese
haaˍ₆下paaˎ₄巴hengˉ¹輕hengˉ¹輕简 下巴轻轻
Mandarin Pinyin: xia4 ba5 qing1 qing1
Meaning of 下巴輕輕
nounspeak/promise sth casually or carelessly
nounit is used to describe a person who makes promises easily but fails to deliver