Babble

lao xao

(the sound of flowing water)

bi bô

(to utter words indistinctly)

bập bẹ

(to utter words indistinctly)

lảm nhảm

(to talk much)

rì rào

(to make a continuous murmuring noise)

róc rách

(to make a continuous murmuring noise)

tiết lộ

(to disclose by too free talk)