baby talk
US /ˈbeɪ.bi ˌtɔːk/
UK /ˈbeɪ.bi ˌtɔːk/

1.
兒語, 嬰兒語
a simplified type of speech used by adults when talking to young children, or by young children learning to speak
:
•
She used baby talk when speaking to her newborn niece.
她和剛出生的侄女說話時用兒語。
•
The toddler's baby talk was adorable.
蹣跚學步的孩子說的兒語很可愛。