uttermost

基本解釋

Some fixed rules about the company he or she keeps must be observed. The subject should be uttermost in the thoughts, and canvassed often.
年輕人交朋友必須遵循一些固定的原則，應該在思想上極度地重視，并且經(jīng)常審視。
Beautiful is thy wristlet, decked with starry gems; but thy sword, O lord of thunder, is wrought with uttermost beauty, terrible to behold or think of.
你的手鐲真是美麗，鑲著星辰般的珠寶；但是你的寶劍，呵，雷霆的主，是鑄得絕頂美麗，看到想到都是可畏的。
With this spirit, we are expected to witness a harmonious scene in which the people can enjoy their life to the uttermost.
有了這樣的精神，我們一定能見到一個和諧的景象：人們能最大的享受他們的生活。

"We will not only defend ourselves to the uttermost but will make it very certain that this form of treachery shall never again endanger us ...

You can use utmost to emphasize the importance or seriousness of something or to emphasize the way that it is done.
If you say that you are doing your utmost to do something, you are emphasizing that you are trying as hard as you can to do it.