但是睡觉前别喝茶。
我必须在两点前赶到机场，但是时间一分一秒地过去了。
I had to get to the airport by two, and the minutes were ticking away.
但是这一项将在六月底前截止。
您可以获得与前一个地点的距离，但是仅此而已。
You could get the distance from a previous spot, but that was about it.
但是本周出现在电视机前的卡尔扎伊并不承认任何舞弊。
But Mr Karzai accepted none of that in front of the television cameras this week.
但是在电台使用这些资料前总要经过核实，他补充到。
但是在投票前当信息被分享的时候，事情变得更复杂了。
But things become more complicated when information is Shared before a vote is taken.
但是时间表在本周末此次悲剧事件前就停滞了。
But that timeline was drawn up before the tragic incident this weekend over Wardak.
但是现在我们要朝着前一个更容易完成目标努力。
But we tend to focus on the first one since it is much more concrete.
每天锻炼，但是避免在睡觉前4个小时。
Exercise every day, but avoid doing it 4 hours before bedtime.
但是，即使在患病前，他的生活并没有称心如意。
Even before he became sick, however, his life was no bed of roses.
但是，当转移注意力前，要尽可能明确问题所在。
But... before you look away, state the problem to yourself as specifically as possible.
开始脑袋冲着前，但是时间有点来不及了。
但是当10年前，21世纪刚刚破晓时，人们对它远远没有多大把握。
But as the 2000s were just dawning, it was far from a sure thing.
但是专家预测，在明年2月前，没有那项措施会带来改变。
But neither move could bring a change before February next year, say experts.
但是他相信在下届选举前结果会及时的呈现了。
But he believed they would show in time for the next election.
但是在他离开前，他把手机借给了父亲，往家去了电话。
But, before leaving, he lent the father his cell phone, and the father called home.
当下太阳能发电还相对昂贵，但是将在2020年前形成竞争力。
Solar power is relatively expensive now but should be competitive as early as 2020.
但是就在几百年前，穿越大西洋还是令人恐惧的冒险。
But just a few hundred years ago, crossing the ocean was a terrifying venture.
但是现在，我想下个目标是在这个赛季结束前不受伤。
But right now, I guess the next aim is really to just finish the season injury free.
但是不久前我意识到我可能太过乐观了。
泰坦尼克的沉没可能是世界上最有名的事故，但是只能勉强进入前十。
The sinking of the Titanic is possibly the most famous accident in the world.
但是目前预期收益却比前十年有所降低。
But expected gains will come more slowly than in the past ten years.
但是，这篇论文并没有指出学龄前儿童自己不能买早餐食品的事实。
The article neglects to point out that preschoolers can’t buy breakfast cereal.
七年前加州人是如此的气愤以至于选了施瓦辛格来做他们的州长，但是这种情绪没有持续下去。
Seven years ago Californians were furious enough to elect him but not to follow through.
但是在你跳入博客事业前，先问问你自己这些问题。
But before you jump into blogging, ask yourself these questions first.
温迪可以去参加晚会，但是她得在十一点钟前回来。
但是却在1周前泄露到了网上。
但是却在1周前泄露到了网上。
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