ace in the hole 最佳武器；王牌 High technology remains the ace in the hole for foreign companies. 高科技仍然是外国公司的王牌。...

go down in history 在历史上留名 You will go down history for your accomplishment. 你的成就将使你名垂千古。...

go up in smoke 成为泡影；化为乌有或者是被烧光 Bobs vacation plans went up in smoke when a crisis arose in the office. 办公室出了问题，鲍伯的假期泡汤了。...

dont have a cow 别大惊小怪 Dont have a cow! Ill pay for the damages. 别大惊小怪！我会赔偿损失的。...

have ones hands full 忙不过来；非常忙碌 Im sorry I cant help you right now because I have my hands full. 很抱歉我现在不能帮你，因为我太忙了。...

at a snails pace 非常慢；（像蜗牛一样）慢吞吞地 They did the project at a snails pace and only half of it finished when the dead line came. 他们的工程做得很慢，截止日期到了，但是只完成了一半。...

sweep something under the carpet 把事情掩盖起来 I know what you did. You cant sweep things under the carpet. 我知道你干了什么，你瞒不住我。...

look for a needle in a haystack 大海捞针；无谓的寻找 To find her in such a big city is like looking for a needle in a haystack. 在这么大的城市里找她就像大海捞针...

follow in someones footsteps 步某人的后尘；效法某人；接某人的班 He will probably follow in his fathers footsteps. 他可能会继承父业。...

jump to conclusion 妄下结论 Dont jump to conclusion. We have to figure it out first. 不要妄下结论，先把事情搞清楚。...