1. 未出声的, 无声的：cork layer 木栓层 | unvoiced 未出声的, 无声的 | rubious 红玉色的, 红色的
2. 未出声的：unvoice 禁声 | unvoiced 未出声的 | unwanted 不必要的
3. 清音化;無聲的：devocalization 清音化 | unvoiced 清音化;無聲的 | devoicing 清音化;濁音清化;聲音氣化
adj
1. not made explicit
e.g. the unexpressed terms of the agreement
things left unsaid
some kind of unspoken agreement
his action is clear but his reason remains unstated
Synonym: unexpressedunsaidunstatedunutteredunverbalizedunverbalisedunspoken
2. produced without vibration of the vocal cords
e.g. unvoiced consonants such as `p' and `k' and `s'