柯林斯词典tail off (tailing,tailed,tails) 1. PHRASAL VERB When something tails off, it gradually becomes less in amount or value, often before coming to an end completely. 逐渐减少 Last year, economic growth tailed off to below four percent. 去年，经济增长率逐渐降到了4%以下。 返回 tail-off