10月25日商务英语

foolproof ['fu:lpru:f]

简单可靠的（形容词）

(adjective) So effectively designed as to be unaffected by possible human error or incompetence.

EXAMPLE: Concerned about security, the company created a foolproof identification system that only permitted employees to enter the factory.

出于安全考虑，公司制作了一套简单可靠的识别系统，仅允许员工进入工厂。

to be up a tree

身陷困境

To be in a difficult, embarrassing, or hopeless position.

EXAMPLE: All of our company's sales people quit last week to form a rival business, and now we are up a tree.

我们公司所有的销售人员上周都辞职并组建了一家竞争企业，现在我们身陷困境。