n.活力；v.使…失去活力
Merriam-Webster Online Dictionary
sap (noun)1.
a) the fluid part of a plant , specifically a watery solution that circulates through a plant's vascular system
b) (1) a body fluid (as blood) essential to life, health, or vigor
(2) bodily health and vigor
2.
a foolish gullible person
3.
probably short for - blackjack bludgeon
transitive verb
1.
to drain or deprive of sap
2.
to knock out with a sap
intransitive verb
transitive verb
to proceed by digging a sap
1.
to subvert by digging or eroding the substratum or foundation - undermine
2.
a) to gradually diminish the supply or intensity of - sapped her strength
b) to weaken or exhaust the energy or vitality of - the illness sapped him of his stamina
3.
to operate against or pierce by a sap weaken
the extension of a trench to a point beneath an enemy's fortifications
Merriam-Webster Online Thesaurus
sap (noun)1.
active strength of body or mind
SYNONYMS:
beans, bounce, brio, dash, drive, dynamism, energy, esprit, gas, get-up-and-go, ginger, go, gusto, hardihood, juice, life, moxie, oomph, pep, punch, sap, snap, starch, verve, vim, vinegar, vitality, zing, zipRELATED WORDS:
animal spirits, animation, briskness, jauntiness, liveliness, snappiness, spirit, spiritedness, sprightliness, spunk, spunkiness, vibrance, vibrancy, vivaciousness, vivacity; ardor, élan, fervor, fire, passion, zeal; main, metal, mettle, might, muscle, potency, power, puissance, stamina, strength; brawniness, fitness, hardiness, huskiness, sturdiness, virility; health, healthiness, soundness, verdure, wellnessNEAR ANTONYMS:
indolence, laziness; debilitation, debility, delicacy, disablement, enfeeblement, faintness, feebleness, frailness, frailty, impotence, impotency, infirmity, powerlessness, puniness, slightness, softness, tenderness, weakness; enervation, exhaustion, inanition, prostration2.
one who is easily deceived or cheated
SYNONYMS:
chump, gull, mug, patsy, pigeon, pushover, sap, soft touch, sucker, toolRELATED WORDS:
cat's-paw, mark, target, victim; schlemiel ( shlemiel); butt, derision, laughingstock, mock, mockery; booby, dodo, fool, goose, half-wit, jackass, lunatic, monkey, nincompoop, ninny, nitwit, simp, simpleton, turkey, yo-yo; loser; blockhead, cretin, dolt, dope, dumbbell, dummy, dunce, idiot, imbecile, moron, schlub ( shlub) [], schlump [], schnook []NEAR ANTONYMS:
cheat, cheater, confidence man, cozener, defrauder, dodger, hoaxer, shark, sharper, slicker, swindler, trickster3.
a heavy rigid stick used as a weapon or for punishment
SYNONYMS:
bastinado ( bastinade), bat, baton, billy, billy club, bludgeon, cane, cudgel, nightstick, rod, rung, sap, shillelagh ( shillalah), staff, truncheon, waddyRELATED WORDS:
blackjack, knobkerrie, mace; birch, crabstick, hickory, rattan, stave, switch; beetle, gavel, hammer, mallet, maul, sledgehammer; crook, crosier ( crozier), walking stick, whangee4.
the condition of being sound in body
SYNONYMS:
fitness, healthiness, heartiness, robustness, sap, soundness, verdure, wellness, wholeness, wholesomenessRELATED WORDS:
fettle, shape; cleanliness, hygiene; hardiness, lustiness, robustiousness, ruggedness, stamina, strength, toughness, vigor, vigorousness, vitality; bloom, flush, flushness; activeness, agility, liveliness, spryness; weal, welfare, well-beingNEAR ANTONYMS:
debility, decrepitude, feebleness, frailness, infirmity, lameness, sickliness, weakness; ailment, condition, disease, disorder, malady, troubleto diminish the physical strength of
SYNONYMS:
debilitate, devitalize, enervate, enfeeble, etiolate, prostrate, sap, soften, tire, wasteRELATED WORDS:
cripple, disable, hamstring, incapacitate; deplete, depress, exhaust, impoverish, unman, wash out; damage, harm, hurt, impair, injure, invalid, lay up; break down, grind (down), wear down, wear out; paralyzeNEAR ANTONYMS:
energize, invigorate, recruit, rejuvenate, vitalize; harden, season, toughen