1.at least 至少

There are at least three reasons.
至少有三方面的原因。

The second coup was followed by the killing of at least 200 ibo soldiers.
随之而来的第二次军事政变最少死掉了200名伊博士兵。

2.fail to 未能

Things change and when you fail to grasp that truth you suffer.
世事变迁，而且你也未能领会承受折磨的真相。

All of these interpretations fail to understand the broader importance of the announcement.
所有这些观点都未能理解这一协议更为广泛的重要性。

3.live up to 达到高标准；不辜负

Live up to your best life!
不辜负你最好的生活！

I just hope I can live up to such talented company.
我只是希望自己能不辜负如此有才干的公司。

4.ready for 准备从事

We're ready for winter!
我们已经准备好过冬！

I think he would be ready for anything.
我认为，他将做好一切准备。