沉闷 | chén mèn | oppressive (of weather) / heavy / depressed / not happy / (of sound) dull / muffled | |
低沉 | dī chén | overcast / gloomy / downcast / deep and low (of sound) / muffled | |
闷声闷气 | mēn shēng mēn qì | muffled | |
闷雷 | mèn léi | muffled thunder / (fig.) sudden shock / blow | |
瓮声瓮气 | wèng shēng wèng qì | to speak in a low muffled voice (idiom) | |
吃吃 | chī chī | (onom.) sound of muffled laughter (chuckling, tittering etc) / sound of stammering |