对有害 be bad for ; does harm to

对什么有害 be bad for ; be bad for sth./ doing sth

对环境有害的 ungreen ; environmentally harmful ; environmentally hazardous

对人体有害 take a toll on health

用于对别人有伤害时 sorry

对健康有害的 harmful to health ; not clean ; unsanitary not clean ; hazardous to the health

对木材有害的 ligniperdous

对环境有害 bad for the environment ; N Dangerous for the environment