ruinous
adjective
formaluk/ˈruː.ɪ.nəs/us/ˈruː.ə.nəs/causinggreatharmanddestruction:
毁灭性的,破坏性的,灾难性的ten ruinousyearsofwar灾难性的10年
Dangerous and harmful
- adverse
 - adversely
 - apocalyptic
 - bad actor
 - be murder onsomethingidiom
 - destructiveness
 - detrimental
 - devastating
 - devastatingly
 - do more harm than goodidiom
 - insidiousness
 - kiss of deathidiom
 - malicious
 - murder
 - negatively
 - rogue state
 - suicidally
 - troublesome
 - unholy
 - unwholesome