v.衰落；v.退潮,
Merriam-Webster Online Dictionary
ebb (noun)1.
the reflux of the tide toward the sea
2.
a point or condition of decline - our spirits were at a low ebb
intransitive verb
1.
to recede from the flood
2.
to fall from a higher to a lower level or from a better to a worse state - his popularity ebbed abate
Merriam-Webster Online Thesaurus
ebb (noun)a change to a lower state or level
SYNONYMS:
decadence, declension, declination, degeneracy, degeneration, degradation, dégringolade, descent, deterioration, devolution, downfall, downgrade, ebb, eclipse, fallRELATED WORDS:
dark age, nadir, sunset; decay, rotting, spoiling; breakup, crumbling, decomposition, disintegration, dissolution; abasement, debasement; depreciation, lessening; decimation, demolishment, demolition, desolation, destruction, havoc, ruin, ruination; abatement, decrease, decrement, de-escalation, deflation, diminishment, diminution, dip, downslide, downtrend, downturn, drop, drop-off, falloff, loss, lowering, reduction, sag, shrinkage, slip, slumpNEAR ANTONYMS:
advancement, development, evolution, growth; blossoming, flourishing, flowering; renewal, restoration, revitalization; heightening; accretion, accrual, addendum, addition, augmentation, boost, enhancement, gain, increase, increment, raise, supplement1.
to become worse or of less value
SYNONYMS:
atrophy, crumble, decay, decline, degenerate, descend, devolve, ebb, regress, retrograde, rot, sink, worsenRELATED WORDS:
abate, de-escalate, diminish, downsize, dwindle, recede, wane; break down, corrupt, decompose, degrade, dilapidate, disintegrate, molder, putrefy; sour, spoil; lessen, lower, reduce; debilitate, undermine; droop, fail, fall, flag, lag, languish, run down, sag, slip, waste (away), weaken, wiltNEAR ANTONYMS:
better, upgrade; enhance, enrich, fortify, heighten, intensify, strengthen; advance, develop, march, proceed, progress2.
to grow less in scope or intensity especially gradually
SYNONYMS:
abate, decline, de-escalate, die (away down out), diminish, drain (away), drop (off), dwindle, ease, ebb, fall, fall away, lessen, let up, lower, moderate, pall, phase down, ratchet (down) rachet (down), recede, relent, remit, shrink, subside, taper, taper off, waneRELATED WORDS:
compress, condense, constrict, contract; evaporate, fade (away), fritter (away), give out, melt (away), peter (out), tail (off), vanish; slacken, slow (down); alleviate, relax; flag, sink, weaken; cave (in), collapse, deflateNEAR ANTONYMS:
appear, emerge, show up; blow up, distend, elongate, lengthen