苟延残喘

to struggle on whilst at death's door (idiom)

to gasp / to pant / asthma

to destroy / to spoil / to ruin / to injure / cruel / oppressive / savage / brutal / incomplete / disabled / to remain / to survive / remnant / surplus

surname Yan

to prolong / to extend / to delay

surname Gou

if / supposing / careless / negligent / temporarily

remaining breath / last gasp