老: I aged无用: useless; of no use老而无耻: be old and shameless昂贵而无用的东西: white elephant大(贵)而无用的东西: white elephant贵而无用的东西: white elephant耗钱而无用的废物: white elephant美观而无用之物: doodad细小而无用的事: boondoggle喧闹而无用的话: three blue beans in a blue bladder; three blue beans in one blue bladder做细小而无用的事: boondoggle贵而无用的东西;沉重的负担: a white elephant无用: useless; of no use 此药对我无用。 this medicine is of no use to me.; 无用能 unavailable energy 老而弥坚: become more firm as one grows old老而益精: older and wiser年老而死: die of old age年老而虚弱: the infirmities that are the concomitants of old age变无用: shrivel使无用: cripple; crockwaterishlog; disable; waterishlog无效,无用: of no avail无用, 徒劳: without avail无用dna: junk dna无用,无效: of no avail无用道: idling path无用的: bootless; chaffy; dud; faulty; feckless; futile; idle; incapable; inefficacious; inofficious; inutile; invalid; naught; needless; no account; nugatory; null; out of use; petty; piddling; rotten; unavailable; unavailing; unnecessary; unprofitable; unserviceable; unusable; unwanted; useless; valueless; worthless