[-]

Jyutping jin4 wai6 sam1 sing1
Pinyin yán wéi xīn shēng

Definitions (Wiktionary)
  1. phrase, idiomatic
    words are the voice of the mind; what the heart thinks the tongue speaks
Definitions (Kaifangcidian)
  1. (沒有對應漢語詞彙)

言為心聲 [-为-声]

Jyutping
Pinyin yán wéi xīn shēng

Definitions (CC-CEDICT)
  1. one's words reflect one's thinking (idiom)