沒完沒了的小聲抱怨
兩個意思其實是同一個聲音在兩種人身上。先在小孩身上是哭鬧,再搬到大人身上就成了碎念。
verb · C1
If a baby or a small child grizzles, they cry in a low, unhappy, on-and-on way, usually because they are tired, hungry or uncomfortable, rather than screaming or sobbing hard.
(幼兒)哼哼唧唧地哭鬧