有害的事物：harmful things=

contagion传染病瘟疫 epidemic/ pandemic也有流行的意思/pestilence/ plague

疾病：malady 瘴气：miasma比喻意为有害的气氛或者影响 灾患：scourge

不再害怕看到世界中心深处的毒气：unafraid to look deep into the miasma at the heart of the world.

有害的：harmful = deleterious/ detrimental/ noxious/ toxic/ virulent/ monstrous/ murderous

邪恶的：evil/ devil= cruel/ crude/ brutal/ wicked/ vicious/ malicious/ atrocious/ virulent/ venomous / sinister/ hafarious/ vicious/ pernicious/ destructive/ detrimental

致命的：fatal/ lethal前两个并非贬义/ pernicious极其有害的

有益的：形容词：hygienic/ sanitary 广义的卫生的/ salutary/wholesome有益身心的

有害的事物: bane致命的毒药 / blight植物的枯萎病/

损害：harm = blemish/ deface/ disfigure/ eviscerate/ impair减损/main mutilate毁伤肢体/ mar/spoil破坏 demolish

有益的事物：antidote 解毒药/ remedy药物：纠错/ panacea 万能良药 elixir 炼金药，万能药(有贬义含义)/ boon赐福blessing / tonic 补药

改善：improve = ameliorate/ amend/ 对法律的修改/ rectify/ redress/

毁坏，毁灭：destroy/ annihilate彻底消灭/ exterminate终结/ eliminate/ eradicate/ decimate/ demolish/ dismantle/ raze 彻底摧毁夷为平地/ devastate/ ravage/ wreck遭受重创，严重破坏/ obliterate擦去/ pulverize 磨成粉末状/ subvert 颠覆

可怕的：awful = horrible/ terrible/ tragic/ wretched / dire

复苏，复兴 动词：revive= rejuvenate/ resurrect/ resuscitate/ revive

动荡的，混乱的 形容词：tumultuous/ turbulent/

混乱：名词：chaos/ confusion/ disorder / mayhem/ disarray/ havoc大面积的破坏-混乱 pandemonium 撒旦居住的地方，比喻嘈杂，混乱的地方/ shambles废墟/ turmoil 混乱，动荡/ upheaval突发的巨变

灾难：calamity/ cataclysm/ catastrophe

危险 名词：danger/ hazard/ peril

危险的：hazardous/ perilous/ precarious/ treacherous

危及：动词 endanger/ compromise/ imperil/ jeopardize

保护：protect = safeguard

表示进步,提高的动词:

improve ameliorate better develop remedy revise enhance enrich upgrade

refine