window of opportunity

基本解释

We must move now before the window of opportunity closes.
我们必须在机会的窗口关闭之前取得进展。
Remember that there really is no "window of opportunity, " and your child will continue to learn and grow throughout his life.
记住，实际上这里没有什么“机会之窗” ，而您的孩子将在其整个一生中继续学习和成长。
Although they will occasionally get the drop on you, often you'll see certain mobs like the Fury scrambling towards you and you'll get a window of opportunity to take them out before they reach you.
尽管偶尔他们可能会放过你，但你将看到更经常出现的情况会是：在你到达有机会将他们撇下的窗口之前无规律的暴民朝你发起疯狂的围攻。

"There is now a clear window of opportunity for President Karzai and his government to make a new compact with the people of Afghanistan The Obama administration and other Western leaders have repeatedly urged President Karzai to use his next five-year term to eliminate endemic corruption.

That has not occurred, but that window of opportunity will close at some point.
WHITEHOUSE: Press Briefing
That is why Samsung now has a small window of opportunity to appeal the decision.
FORBES: Apple's Evidence Against Samsung Looks Flawed
TEMPLE-RASTON: De Mistura said that the al-Maliki government had been given a narrow window of opportunity.
NPR: U.N. Chief in Iraq Sees Limited Progress