tail cutting off distribution截尾分布
tail-off发动机关闭
working my tail off我学习
tail off duration拖尾段
bob-tail off摘除拖架
Work your tail off拼命地工作
Work my tail off玩命工作
working tail off工作太紧张
Tail end hop off尾部下车;尾跃点关闭;尾端合掉
PHRASAL VERB（动词词组） 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。