●ˌtail ˈoff ( ˌtail aˈwayless frequent) to become smaller, fewer, weaker, etc.变小(或变少、变弱等);逐渐消失◆Sales tailed off in the summer. 夏季销售额不断下滑。◆The number of tourists starts to tail off in September. 从 9 月起,游客人数开始逐步减少。◆Her voice tailed away. 她话音越来越低。◆‘Did you want to see…’ she tailed off. “你是不是想看…”她的声音低了下去。➡ note at dwindle away[v + adv]