adj.單調的；沉悶的
I tried to be open-minded about the rock concert, but the music was at best loud and at worst toneless. 對這場搖滾音樂會我要盡量思想開放些，但是其樂聲充其量響度很高，更糟糕的是很不悅耳。
adv.無聲無色地
