a. 年老退休的, 老朽的, 体弱退休的, 领养老金的, 过时的, 太旧的, 废弃的

v retire and pension (someone) because of age or physical inability

v declare to be obsolete

v become obsolete

v retire or become ineligible because of old age or infirmity

s too old to be useful

s old; no longer valid or fashionable