eradicate

　　(vt.) 根除;消灭

　　Yellow fever has been eradicated in the United States but it still exists in some countries.

　　黄热病在美国已经根除绝迹，但在一些国家却依然存在。

　　glimmer

　　(n.) 微光

　　The doctor's report gave us only a glimmer of hope.

　　医生的报告仅给我们一丝的希望。

　　bite the dust

　　一败涂地

　　A: What was the outcome of the election about the candidate?

　　B: It bit the dust.

　　-该候选人的选举结果怎样?

　　-一败涂地。

　　ransack

　　(vt.) 彻底搜索,仔细搜查

　　The woman ransacked the house for her lost jewelry.

　　那位女士仔细搜索房屋寻找遗失的珠宝。

　　slash

　　(vt.) (用刀,剑等)砍;砍击

　　He slashed a path through the high grass with a long knife.

　　他用一把长刀在高高的草丛中开辟出一条小径。

　　hit the right nail on the head

　　一针见血

　　A: What do you think about his comment on the current news?

　　B: He hit the right nail on the head.

　　-你觉得他对时事新闻的评论如何?

　　-一针见血。