voiceless
英 ['vɒɪslɪs]
美['vɔɪsləs]
	    - adj. 无声的;清音的;沉默的
 
英英释意
- 1. of speech sounds
 
- 2. not using the voice;
 - "unvoiced thoughts"
 - "unvoiced consonants such as `p' and `k' and `s'"
 
- 3. uttered without voice;
 - "could hardly hear her breathed plea, `Help me'"
 - "voiceless whispers"
 
- 4. being voiceless through injury or illness and thus incapable of all but whispered speech