youdao

And whatever it was, it communicated, apparently, both pleasure and pain in exquisite extremes: at least the anguished, yet raptured, expression of his countenance suggested that idea.

不论那是什么吧，显然它给予了极端强烈的欢乐与痛苦；至少他脸上那悲痛的，而又狂喜的表情使人有这样的想法。

youdao

This also gives rise to the idea of nested iteration, all inside the same expression.

这还引出了嵌套迭代的概念，所有迭代都位于同一表达式中。

youdao

The words hot potato,for example, give you no idea at all to the meaning of the expression,hot potato.

VOA: special.2009.12.06

Another common expression, to hold water, is about the strength or weakness of an idea,opinion or argument.

VOA: special.2009.05.10

Generally speaking, a patent protects an idea, and a copyright protects an expression of an idea.

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For copyright protects the expression of an idea, not the idea itself.

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The Council supports freedom of expression and the idea that the public should be educated about the world in which they live through independent media.

UNESCO: Communication and Information