grizzle
verb [ I ] UK disapproving uk/ˈɡrɪz.əl/ us/ˈɡrɪz.əl/
（尤指小孩）不住地呜呜哭;不住地发牢骚
(especially of a young child) to cry continuously but not very loudly, or to complain all the time
The baby was cutting a tooth and grizzled all day long. 这个婴儿正在出牙，所以一天到晚呜呜哭。
They're always grizzling (= complaining) about how nobody invites them anywhere. 他们老是抱怨从来没人邀请他们去作客。