tail off

基本解釋

Here, the number of active users starts to tail off, with a large drop over the summer months.
這時，活動用戶的數(shù)量開始減少，在整個夏天的幾個月有較大幅度的下降。
You spend all of this time working your tail off and yet you still find yourself in financial trouble.
你花掉了所有這些時間用於工作，卻發(fā)現(xiàn)自己仍然有財務(wù)問題。
For example, wages tend to be high near densely occupied blocks, but tail off within a mile or two.
擧例來說，在居民稠密街區(qū)的附近，工資往往較高，但一兩英裡以外，工資水平就降下來了。

Many shale plays flow vigorously for just a few weeks and then tail off dramatically.
FORBES: Energy XXI Coins Money Reworking Old Exxon Mobil Wells
Even if productivity growth does tail off, it may still be strong enough to match sluggish demand.
ECONOMIST: Productivity growth
If accepted, that might require the government to raise its fiscal target even as recovery starts to tail off.
ECONOMIST: The big fight over fiscal reform

When something tails off, it gradually becomes less in amount or value, often before coming to an end completely.