at the worst

基本解释

Still, two huge casino-hotels will open this year, boosting supply at the worst possible moment.
不过，今年仍会有两家超大型赌场酒店开张，在这个或许是最糟糕的时刻加大供应。
Stress accumulates quietly, boiling over at the worst moment when you didn't even realize it was there.
压力悄悄累积到一定程度，可能在你甚至还未曾意识到的糟糕时刻就会爆发出来。
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If we allow that tax cut to expire -- if we refuse to act --middle-class families will get hit with a tax increase at the worst possibletime.
如果我们让这项减税过期--如果我们拒绝实行—中产阶级家庭将在这个最可能危机的时期由于税收大幅上升而遭受打击。

Mister Kan also said the crisis at the Fukushima Daiichi nuclear power center is the worst Japan has ever faced.
And I'll also remind you, and we're going to see this in the next example, we talked about looking at the worst case behavior. In these cases there's no best case worst case, it's just doing one computation.
我还要提醒大家的就是，我们也会在下一个例子里发现者一点，我们谈到了要去考虑最坏的情况,在下面这些例子里,没有好情况坏情况之分，就只是一次运算。
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So the gentleman here was looking at the worst case scenario, and the woman here was looking at the best case scenario.
刚才的小伙子看的是最坏的情况,而这位女士看的是最好的情况
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Hurricane Sandy struck one of the biggest car-buying regions at the worst time of the month possible.
FORBES: Hurricane Sandy's Lost October Car Sales Will Return