Correct
嘀咕
/ dígu /
Strokes
Definition
to mutter/to feel apprehensive
Example
As a Verb
talk in whispers; whisper; mumble
1
Tāliǎ
他俩
yī
一
jiànmiàn
见面
jiù
就
dígu
嘀咕
shàng
上
le
了
。
They began to whisper to each other intimately as soon as they met.
As a Verb
have doubts/misgivings about sth
2
Tā
他
kàndào
看到
zhèzhǒng
这种
yìcháng
异常
de
的
jièbèi
戒备
,
xīnli
心里
zhí
直
fàndígu
犯嘀咕
。
He could not help doubting when he saw the uncommon security precautions.