I． Cannot…too， cannot…enough, cannot…over-verb… ; can hardly (scarcely, never)… 无论怎样…也不过分.
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You cannot be too careful. 你无论怎样小心也不过分.

You cannot praise him too highly. 你无论怎样赞扬他也不过分。

变形句

I can never appreciate too much. 我不胜感激之至.

It can scarcely be overestimated.

I cannot thank you enough.

例句1.

Now I have recalled these beginnings of the careers of Franklin, Darwin and Mozart because they strikingly illustrate a profound psychological truth the significance of which can scarcely be overestimated.
现在, 我又一次重温了富兰克林、达尔文以及莫扎特开创事业的情况，因为这些情况显然阐明了一个心理方面的深刻道理， 其意义无论怎样估计也不会过分。

2. There are some exceptions, but as a general phenomenon it is difficult to overstate the problem. 虽有一些例外，但是，作为一种一般现象，对此问题再强调（夸大）也不算过分。

3. I cannot state too strongly my appreciation of the part you played in the negotiation in order to bring about the desired result. 为了达到预想的结果，你在谈判中起了很大的作用，对于这一点我怎么感谢也不会过分。

4. A book may be compared to your neighbor, if it be good; it can not last too long; if bad, you can not get rid of it too early. 一本书好比你的邻居。若是好书，相处再久也不会嫌长；若是坏书，相处时间越短越好。