This is the most solid ground for optimism.

这是乐观主义最有力的根据。

《柯林斯英汉双解大词典》

Unexpected events can derail even the most solid plan.

一系列意料之外的事情发生了，当初再坚定的计划也可被打乱。

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Unemployment is rising—even in Germany and France, where the jobs markets have been most solid.

失业率在上升——甚至在劳动力市场一直比较稳固的德国和法国也是这样。

youdao

Now in this particular reaction, I've got hydrogen gas, iron solid. Those already are elements in their most stable forms at room temperature and pressure.

特定的反应中，我有氢气,固态铁，这些都已经是,处于室温和常压下,最稳定的元素单质。

麻省理工公开课 - 热力学与动力学课程节选

Iron as an element is a solid. That's it's most stable state at room temperature and pressure, right, and so on. And then we can figure out heats of formation.

铁单质是固态,这是他在室温和常压下,最稳定的状态，然后我们,可以算出生成热，现在这个。

麻省理工公开课 - 热力学与动力学课程节选

The most solid European in Silvio Berlusconi's cabinet is his foreign minister, Renato Ruggiero.

ECONOMIST: Charlemagne

In the market, Exxon retains a reputation as having the most solid balance sheet in the sector.

FORBES: Connect

Enlarging the euro zone's rescue funds raises questions about the creditworthiness of even its most solid backers.

ECONOMIST: Charlemagne