Subtilty

(n.) The quality or state of being subtile; thinness; fineness; as, the subtility of air or light.

(n.) Refinement; extreme acuteness; subtlety.

(n.) Cunning; skill; craft.

(n.) Slyness in design; artifice; guile; a cunning design or artifice; a trick; subtlety.

整理:罗伯塔

• But here I cannot forbear taking notice of a remarkable subtilty of the Roman law, in distinguishing betwixt confusion and commixtion. 戴维·休谟. 人性论.
• For subtilty of principle, impressiveness of action, and breadth of results, there is nothing comparable with it among mechanical agencies. Edward W. Byrn. 十九世纪发明进展.

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