The 'th' sound is voiceless when the vocal cords remain still.

声带保持静止时发出的th音是无声音。

金山词霸

His voiceless lips formed the words "Thank you" without a sound.

他无声的嘴唇无声地形成了“谢谢你”这个词。

金山词霸

An unaspirated voiceless plosive sound.

双唇送气清塞音.

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How can we give these people a voice, the voiceless people?

我们怎么才能给那些不能说出心声的人一种声音?

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An unaspirated voiceless velar plosive.

舌根不送气清塞音.

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An aspirted voiceless palatal affricate.

舌面送气清塞擦音.

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This is an unaspirated voiceless palatal affricate.

j舌面不送气清塞擦音.

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We see most eloquent orators voiceless as fish they speak of Thee, O Jesus our Saviour.

耶稣我们的救主啊,我们看见最雄辩的演说家言及祢时,犹如鱼儿般缄默无言.

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A voiceless palatal fricative.

x舌面清擦音.

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A voiceless velar fricative.

舌根清擦音.

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An unaspirated voiceless alveolar plosive.

舌尖不送气清塞音.

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I yell at a decibel machine hysterically, a series of chirps , with unknown tones, till i am voiceless.

我对着分贝器歇斯底里的喊"叽里咕噜不知所云的音调"一串一串的喊! 一次都喊到我无法发声为止.

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The old castle was dark and voiceless.

这座古堡是黑暗和寂静无声的.

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An aspirated voiceless velar plosive.

k舌根送气清塞音.

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On the international stage, China seems voiceless.

在世界舞台上, 中国显得“无声”.

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After voiced obstruent tone II syllable is changed to a voiceless unaspirated sound.

全浊上字读阴上后全浊声母变为不送气清音.

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Had she not fallen in George Lucas'good graces, she would have been another voiceless extra.

如果不是乔治卢卡斯格外开恩, 她会成为另一个没有台词的临时演员.

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His silent lips mouthed the words "Thank you".

他沉默的嘴唇无声地说出“谢谢你”这几个字。

金山词霸