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历史:
subtle

adjective
1 the colours are soft and subtle | the dish had a very subtle flavour
UNDERSTATED , low-key, muted, toned down, subdued;
DELICATE , faint, pale, soft, indistinct, indefinite, vague, washed out.

-opposite(s): LURID ; OBVIOUS.

2 subtle distinctions are of little value
FINE , fine-drawn, ultra-fine, nice, overnice, minute, precise, narrow, tenuous;
HAIR-SPLITTING , indistinct, indefinite, elusive, abstruse; informal minuscule.

-opposite(s): CRUDE.

3 a robust and subtle mind
ASTUTE , keen, quick, fine, acute, sharp, razor-like, razor-sharp, rapier-like, canny, shrewd, aware, perceptive, discerning, sensitive, discriminating, penetrating, sagacious, wise, clever, intelligent, skilful, artful; sapient, percipient, perspicacious; informal on the ball, savvy; archaic politic.

-opposite(s): SLOW-WITTED.

4 the plan was simple yet subtle
INGENIOUS , clever, skilful, adroit, complex, intricate, cunning, crafty, wily, artful, devious.

-opposite(s): CRUDE, ARTLESS.

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