dull, tedious, and repetitious; lacking in variety and interest 沉闷的,令人厌倦的,少变化的 the statistics that he quotes with monotonous regularity. 他令人厌烦地一次次引用的数据。 ■(of a sound or utterance) lacking in variation in tone or pitch (声音,话语)单调的,无抑扬顿挫的 her slurred monotonous speech. 她含糊单调的讲话。