Word: 嘀咕 (dígu) 嘀咕 dictionary entry dígu to mutter; to feel apprehensive Full dictionary entry for 嘀咕 Example sentences using 嘀咕 2 sentences, showing page 1 of 1. 他一边走，一边小声嘀咕。 Tā yìbiān zǒu, yìbiān xiǎoshēng dígu. He muttered under his breath as he walked. 你在那儿嘀咕什么呢？ Nǐ zàinar dígu shénme ne? What are you muttering over there?