| 1. | His strength in a crisis is an ace in the hole
临危不惧是他的看家本领。 |
| 2. | The prosecutor had an ace in the hole : an eyewitness
检举人有秘密武器（神秘王牌） ：目击者。 |
| 3. | The terrorists regarded the hostages as their ace in the hole
恐怖分子把那些人质当作他们手中的一张王牌。 |
| 4. | The lawyer ' s ace in the hole was a secret witness who saw the accident
律师的王牌是一位目击此事件的秘密人证。 |
| 5. | He knows something about the boss - that is his ace in the hole
他了解老板的一些事情，那是他应急时要打出的王牌。 |
| 6. | An ace in the hole
密藏的法宝 |
| 7. | The lawyer ' s ace in the hole was a secret witness who had seen the accident
（那律师手中的一张王牌是目击那次事件的一个秘密证人。 ） |
| 8. | His remarkable ability to always score the last point in the match is his team ' s ace in the hole
他总是在比赛的最后时刻得分，他的这一卓越才能是该队的一张王牌。 |
| 9. | Aipac ' s ace in the hole is the idea that it represents jewish interests in a country that is generally philo - semitic
在一个普遍“亲犹”的国家中代表犹太人的利益，这也许是aipac手中最大的王牌。 |
