聲聲口口 [声声－－]

Jyutping seng1 seng1 hau2 hau2
Pinyin shēng shēng kǒu kǒu

Definitions (Wiktionary)
  1. phrase, idiomatic, uncommon
    Synonym of 口口聲聲／口口声声 (kǒukoushēngshēng, “keep on (saying); repeatedly (say)”).
    (syn.) 口口声声, 口口聲聲