They make threats but back down at the first sniff of trouble. 他们起先气势汹汹，但一看情形不妙立刻软了下来。 I'll take you back down to the valley. 我会带你返回下面的`山谷里。 His determination and refusal to back down had won the day 他的坚定和拒不退让使他赢得了胜利。 It's too late to back down now 现在打退堂鼓已经太晚了。 I drove back down the highway at normal speed 我以正常车速沿公路返回。 上一篇：幼儿园小班开学注意事项和要求 下一篇：以in为前缀的食物单词 |