打包票_有道手机词典

1. vouch for
2. guarantee
3. say for certain

1.我几乎可以打包票，五年内，他们将会将数字化基础设施连起来。
I would almost guarantee that in five years they will have their cyber-infrastructure connected.
dict.yoduao.com
2.但是不到星期天正式宣布，没有人敢打包票说，这本书就这么定下来了。
But until Sunday's announcement, it wasn't clear to outsiders that the book was a sure thing.
dict.yoduao.com
3.有人说这是一种懒人的思考方法，但是我敢打包票，说这句话的人，本身肯定效率不高。
Some say it's a lazy way of thinking. But I'll bet those who say this are not efficient themselves.
dict.yoduao.com