1. acid test 决定性的考验
例句：The acid test is whether or not somebody will actually buy the product.
决定性的考验在于是否确实有人会买这种产品。

2. Achilles’ heel 原意为阿基里斯的脚踵，引申为致命弱点。
例句：However, an Achilles’ heel can usually be found that allows the headhunter to persuade them that they are, in fact, wanting to change.
但是，猎头公司总有办法找到他们的致命弱点，并利用来说服他们，使他们相信自己实际上是有改变现状的想法。

3. act of God 不可抗力，天灾
例句：The insurance policy does not cover acts of God.
这份保险单承保范围不包括天灾。

4. added value 增加值，增值
例句：An important aspect of marketing goods like CD players and televisions is possible added value, such as free videos or CDs.
推销像CD播放机和电视机这样的商品很重要的一点也许是使其增值，比如免费赠送录像带或CD片等。

5. Additional Benefit Funding 附加福利基金（专款）
例句：You will be able to use as much as you like of your Additional Benefit Funding to “buy” benefits.
员工可以任意使用附加福利基金“购买”自己喜欢的福利项目。