be ready to: 乐意、准备做某事
Some may still be ready to cut deals with mr saleh.
他们中的一些可能仍然准备和萨雷先生讨价还价呢。
But will the markets be ready to wait that long?
然而市场是否能够准备好经历如此漫长的等待呢？

back down: 放弃、撤销
But on july 11th mr morsi appeared to back down.
然而仅隔一日，穆尔西似乎就做出了让步。
Many will back down from doing something they want because of that atmosphere of discouragement.
很多人会由于处于那种消极的环境而放弃原先想要做的事情。

call out: 引出、向…挑战
I wanted to call out, but my dignity prevailed.
我想喊出口，但我的自尊占据了上风。
I'm calling you out.
我要和你一赌。