VOA慢速英语:Clinton Calls Trump ‘Unfit’ to Lead Foreign Policy

短语讲解：

1. We’re still the last best hope for earth.

hope for 希望， 希望得到
例句：Hope for the best, prepare for the worst.
〔谚语〕作最好的打算，作最坏的准备。

2. The Republican hopeful sent out tweets live as Clinton spoke.

sent out 送出去
例句：Soldiers were sent out to spy the enemy's line of march.
士兵被派出去探查敌人的行军路线。

3. Crooked Hillary no longer has credibility -- too much failure in office.

no longer 不再，已不
例句：He could no longer hold back his tears.
他再也忍不住自己的眼泪。