1.unemployment rate 失业率

例句:The nation's unemployment rate has been climbing steadily since last June.
自去年6月以来，该国的失业率一直在不断上升。

2.ended up 结果；导致

例句:The result was that the engine ended up at the bottom of the canal.
结果引擎最终沉到了运河底。

3.in other words 换句话说

例句:In other words, the system broke.
换句话说，系统瘫痪了。

4.came to be known 为人所知的

例句:The event came to be known as the Blaine invasion and was of some significance at the time.
这次事件后来被称为“入侵布莱恩”，并且在当时，还有些影响的。