低頭不語 [－头－语]

Jyutping dai1 tau4 bat1 jyu5
Pinyin dī tóu bù yǔ

Definitions (CC-CANTO)
  1. head down without a word spoken
Definitions (Wiktionary)
  1. phrase, idiomatic
    to bow one's head and keep silent; to hang one's head and make no reply; to lower one's head in silence (when one is timid or thinking)
Definitions (Kaifangcidian)
  1. （沒有對應漢語詞彙）