toneless
adj. 沉闷的;单调的;缺乏声调的;无声的
例句
Then you warn'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。
I dislike the black clothing that my sister bought for me. I really don't like the toneless colors.
不喜欢姐姐帮我买的那些黑色衣服,我真的不喜欢沉闷的色彩。
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?