打退堂鼓用英语怎么说？

打退堂鼓

例句

• Don't back up the moment you run up against a little difficulty. 不要遇到一点困难就打退堂鼓.
• The mayor is backpedaling on his election promise. 那位市长正在对他的竞选承诺打退堂鼓.
• It's too late to back down now... 现在打退堂鼓已经太晚了。
• I haven't come all this way to bottle out. 我一路走来不是为了在最后关头打退堂鼓。
• They promised to cut taxes, but they're beginning to backpedal now. 他们答应要减税, 现在却开始打退堂鼓.