嘀咕 [－－]

Jyutping dik1 gu1
Pinyin dí gu

Definitions (CC-CEDICT)
  1. to mutter
  2. to feel apprehensive
Definitions (Wiktionary)
  1. verb
    to speak quietly
    (syn.) 耳语, 耳語, 打喳喳
  2. verb
    to feel uncertain; to feel uncertain uneasily
Examples (Tatoeba—Mandarin-English)
  1. Mandarin
    我听到汤姆在用法语嘀咕些什么。
    我聽到湯姆在用法語嘀咕些什麼。
    wǒ tīng dào tāng mǔ zài yòng fǎ yǔ dí gu xiē shén me 。
    • I heard Tom muttering something in French.