单词toneless
adj.: 单调的；呆板的；沉闷的
网络: 无声的；缺乏声调的；橘子
单调的；呆板的；沉闷的:
dull or flat; not expressing any emotion or interest
单调的,平板的;无声调[色调]的
adj.colourlesscolorlessexpressionlessmonotonousneutral
adj.vibrant
His voice is high, nasal, and toneless, and his shoulders are stooped, perhaps from years of peering down at patent texts.
他嗓音高，还带鼻音，语调平淡，双肩向前倾，可能是由于多少年来俯身查阅专利文档的闹下的毛病。
Imagine a world where flowers would not exist: it would be really toneless and sad, don"t you agree?
要是一个世界没有了花，那将会多么死气沉沉、黯淡无光，不是吗？
The words , spoken by him in a quiet, toneless voice, took her by surprise.
他细声细语地吐出这些词，毫无情感的声音吓到了她。
t a dream, after all, " he said, in his flat toneless voice. "
“那么我到底不是在做梦了，”他用平淡而单调的声音说。
It was a loud, toneless sound that had the timbre of something stored inside for about six days.
这是一种高亢单调的叫声，它发泄着六天的全部积怨。
Her mouth was making croaking, throaty sounds like the toneless cry when we make love.
当我们做爱时，她的嘴发出蛙叫声，嘶哑的声音像低沉的呼喊。
"Don"t be a schnorrer, " it replied with toneless contempt. "Put your hand in your pocket. "
“别装穷了，”它平淡但带着蔑视的语气说道，“掏钱吧。”
Why the sex so toneless ? Due to lack of music.
为什么性生活如此单调？因为缺乏“音乐”的伴奏！
The Fast Chinese Pinyin of Toneless with high efficiency Input System
高效能无声调快速拼音输入系统