noun
secret of nature; profound secret
Refers to a deep, often cosmic or natural secret; used in literary or philosophical contexts.
天機は容易に漏らすべきではない。
The secrets of nature should not be easily divulged.
noun
disposition; character; nature
Rare, classical usage referring to a person's innate character or temperament.
彼の天機は穏やかで、誰からも好かれた。
His disposition was gentle, and he was liked by everyone.
noun
emperor's health; emperor's well-being
Honorific term used historically for the health of the emperor; now mostly encountered in historical or formal contexts.
天機を伺う使者が派遣された。
An envoy was dispatched to inquire after the emperor's health.