adj.重要的；adj.思维敏锐的；adj.短暂的；adj.急性的；adj.敏感的,
Merriam-Webster Online Dictionary
acute (adjective)1.
a) (1) characterized by sharpness or severity - acute pain
(2) having a sudden onset, sharp rise, and short course - acute disease
(3) being, providing, or requiring short-term medical care (as for serious illness or traumatic injury) - acute hospitals an acute patient
b) lasting a short time - acute experiments
2.
ending in a sharp point as
a) being or forming an angle measuring less than 90 degrees - an acute angle
b) composed of acute angles - an acute triangle
3.
a) of an accent mark having the form ´
b) marked with an acute accent
c) of the variety indicated by an acute accent
4.
a) marked by keen discernment or intellectual perception especially of subtle distinctions - an acute thinker
b) responsive to slight impressions or stimuli - acute hearing
5.
felt, perceived, or experienced intensely - acute distress
6.
demanding urgent attention - an acute emergency
Merriam-Webster Online Thesaurus
acute (adjective)1.
able to sense slight impressions or differences
SYNONYMS:
delicate, fine, keen, perceptive, quick, sensitive, sharpRELATED WORDS:
accurate, clear, discerning, good, piercing, precise, receptive, sensible, subtle; hair-trigger, hyperacute, hypersensitive, oversensitive, supersensitiveNEAR ANTONYMS:
bad, deadened, dimmed, dull, dulled, fading; dead, imperceptive, insensible, insensitive, numb; imprecise, inaccurate2.
needing immediate attention
SYNONYMS:
burning, clamant, compelling, critical, crying, dire, emergent, exigent, imperative, imperious, importunate, instant, necessitous, pressing, urgentRELATED WORDS:
demanding, extreme, immediate, insistent, intense, overriding; crucial, desperate, grave, life-and-death ( life-or-death), serious, severe, vital; dangerous, explosive, hazardous, perilous, precarious, unstableNEAR ANTONYMS:
incidental, low-pressure, minor, negligible, trivial, unimportant; nonthreatening, safe, stable3.
extreme in degree, power, or effect
SYNONYMS:
acute, almighty, blistering, deep, dreadful, excruciating, explosive, exquisite, fearful, fearsome, ferocious, fierce, frightful, furious, ghastly, hard, heavy, heavy-duty, hellacious, intensive, keen, profound, terrible, vehement, vicious, violentRELATED WORDS:
accentuated, aggravated, concentrated, deepened; emphasized, enhanced, heightened, intensified, magnified; stressed; exhaustive, thorough; harsh, rigorous, severeNEAR ANTONYMS:
feeble, weak; shallow, superficial; moderated, qualified; alleviated, eased, lightened, toned (down); abated, decreased, diminished, lessened, reduced, subdued