单词flip-flopper
n.: 出尔反尔的人（尤指政客）
网络: 骑墙派；墙头草；善变者
出尔反尔的人（尤指政客）:
a person, especially a politician, who suddenly changes his or her opinion or policy
Frank is such a flip-flopper! He said he wanted to go out to dinner with me, but now he said he has plans with another girl!
Frank总是临时变卦。他原本说他想和我一起去吃晚饭，但他说他现在想和别的女孩一起去了！真可恶！
Do you think there is room today for a politician to change positions without being referred to as a flip-flopper?
你认为是对一个政治家的空间变化，不被称为摇摆不定的职位是什么？
Exposed as an un-Christian flip-flopper and shorn of the momentum that came from seeming inevitability, she will see her voters melt away.
罗塞夫被揭露为一个言行不一的非基督教徒，并且丧失了必然获胜的势头，她的选民将渐渐消失。
Bush hammered Kerry in 2004 as a "flip-flopper" for months until "about 40 days before the election, it kicked in, " Madden said.
2004年大选时，布什曾指责竞选对手克里是“骑派”，此番攻势一直持续了好几个月，直到“大选前40天左右才取得突破”。