utmost

最大的、极度的、至高的置于名词前

This matter is of the utmost importance to our company.

这件事对我们公司来说极为重要。

极为小心的、万分的

Please handle these documents with the utmost care.

请以最谨慎的态度处理这些文件。

极限、最大限度、全力常与 do one's 连用

She did her utmost to finish the report before the deadline.

她尽了全力在截止日前完成报告。

极致、极度常用于 to the utmost

The new engine was tested to the utmost under extreme heat.

这具新引擎在极高温下被测试到极限。