n.沉着；冷静

The imperturbability of the mountains hung upon him like a suit of armor. 高山的宁静象一套盔甲似的罩在他的身上。

To meditate means to realize the imperturbability of one's original nature. 暝想，默思意能深解人本性之自若、沉静处。

The pluterperfect imperturbability of the department of agriculture . 农业部完完全全无动于衷。

How dumbly eloquent!What suggestion of imperturbability and being, as against the human trait of mere seeming. 与人类仅仅注重表面不同，这是种冷静，沉重和真实的存在。

But let's for a moment abandon our Harvard savoir faire, our imperturbability, our pretense of invulnerability, and try to find the beginnings of some answers to your question. 那让我们还是暂时摘下那戴着的哈佛面具，收起那缺乏热情的冷漠，卸下我们看似刀枪不入的伪装，让我们尝试去探寻你们问的一些问题的答案。