mumble

安静地咕哝

to speak in a low voice, making it hard to hear

低声说话，让人难以听清

轻声咕哝

to speak in a gentle, low voice

用安静且不清楚的方式说话

愤怒地咕哝

to speak unclearly out of anger

因愤怒而说话含糊不清

to speak in a way that is unclear and difficult to understand

痛苦地咕哝

to speak unclearly while expressing deep disappointment or resentment

在表达深深的失望或怨恨时含糊地说话

快速地咕哝

to speak unclearly and rapidly

含糊而快速地说话

讽刺地咕哝

to say something unclearly in a sarcastic tone

用讽刺的口吻含糊地说

睡意朦胧地咕哝

to speak unclearly due to being tired

因疲倦或半睡半醒而用低沉、不清晰的声音说话。

对某人/自言自语地咕哝

to speak unclearly in the direction of someone or to oneself

对着某人或自己含糊地说话

对着某物咕哝

to speak unclearly with one's voice directed into an object, muffling the sound

对着某个物体说话，声音含糊不清

咕哝着某事

to speak unclearly regarding a particular topic

含糊地说起某个特定话题