初始: beginning—debut/premiere/ prime/ genesis/ inception/ onset/ threshold/ lead off/ lead out (比to begin with好得多拉 )

(或者说什么的到来：advent of something)

初始的: beginning-- primitive//budding/ fledgling/ embryonic/(古老的意义解时archaic or antiquated or obsolescent or obsolete)

开始: begin/start—commence/ initiate/ embark/ inaugurate

开始：begin/start=undertake / embark upon

增长: grow—multiply/mushroom/proliferate/ sprout/accelerate/ burgeon(慢慢增长)

使其增长: increase--amplify/ magnify/ add-augment/ supplement

加重，升级 aggravate (恶化) / escalate/ exacerbate/ deteriorate/ impair

减少，减弱: decrease—abate/attenuate/ detract/ diminish/ slacken/curb/ curtail/ (number)pare/ prune/ slash/ trim/ whittle/

减轻decrease---allay/ assuage/ mollify/ soothe/mitigate/

变弱decrease—dwindle/ ebb/ subside/ wane/ weaken/ impair

上升: ascend—lift / surge/ rocket/ boast/ soar/ boom

达到顶峰 culminate 顶点: peak—acme/apex/ pinnacle/ climax/ apogee n.远地点/ zenith(nadir最低点 or abyss深渊) (zenith&nadir特别适合用在比喻 强调两者的区别大~两个词的来源大家可以查查~两个对比强烈哦 )

下降: descend/ plummet/ plunge/ slump/ tumble (fluctuate波动)