chuntering

/ˈtʃʌn.t̬ɚ/

动词

（尤指低声）咕哝，嘀咕，抱怨
Al was chuntering (on) about being the last to know what was happening.
阿尔嘟嘟囔囔地抱怨自己是最后一个知道发生了什么事的人。