嘀[唙]dí

（构词成分）:～ ～ 咕咕 [- dí ɡū ɡū] keep (on) growling [grumbling;grousing];babble on and on;mutter to oneself;murmur [mumble] to oneself or each other；～ 咕 [- ɡu] ❶ (小声说；私下里说) whisper;talk in whispers
❷ （猜疑） have misgivings about sth.;have sth. on one's mind
另见 see also dī。