dī shēng dì



mùlù ·yīngwénjièshì ·jìnyící ·gèngduōjiéguǒ... yīngwénjièshì n.:  below one's breath,  under one's breath,  in a soft voice,  between the [one's] teeth adv.:  low,  lowly jìnyící qiǎo shēng dì , dī diào dì