(a.) Thin; not dense or gross; rare; as, subtile air; subtile vapor; a subtile medium.

(a.) Delicately constituted or constructed; nice; fine; delicate; tenuous; finely woven.

(a.) Acute; piercing; searching.

(a.) Characterized by nicety of discrimination; discerning; delicate; refined; subtle.

(a.) Sly; artful; cunning; crafty; subtle; as, a subtile person; a subtile adversary; a subtile scheme.

校对:苏西

• This we may confirm by a reflection, which to some will, perhaps, appear too subtile and refined. 戴维·休谟. 人性论.
• This matter of lightning or of electricity is an extreme subtile fluid, penetrating other bodies, and subsisting in them, equally diffused. 本杰明·富兰克林. 富兰克林自传.
• As the emotions of the soul prevent any subtile reasoning and reflection, so these latter actions of the mind are equally prejudicial to the former. 戴维·休谟. 人性论.
• Without its subtile, pulsating, intangible spirit, it is but dead matter. Edward W. Byrn. 十九世纪发明进展.
• Universal space, as far as we know of it, seems to be filled with a subtile fluid, whose motion or vibration is called light. 本杰明·富兰克林. 富兰克林自传.
• Ingenious reasoning, refined and subtile consultation, were in him combined with prompt resolution and inflexible firmness of purpose. 本杰明·富兰克林. 富兰克林自传.
• The practice of the world goes farther in teaching us the degrees of our duty, than the most subtile philosophy, which was ever yet invented. 戴维·休谟. 人性论.

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