slow-moving or inactive 行动迟缓的;不活跃的 a sluggish stream. 缓慢流动的小溪。 ■lacking energy or alertness 缺乏活力的,迟钝的 Alex woke late feeling tired and sluggish. 亚历克斯醒得很晚,觉得浑身劳累无力。 ■slow to respond or make progress 性能不佳的 the car had been sluggish all morning. 这车整个早上都快不起来。
派生 sluggishly adverb sluggishness noun 语源
late Middle English: from the noun slug or the verb slug (see sluggard) + -ish