OLD/NOT YOUNGsomeone who is 100 years old or older 百岁老人,百岁以上老人
Examples from the Corpus
centenarian• It was there that the scenes of Dustin as a centenarian were to be filmed.• To a centenarian from a less hastyera, the change can not but seem for the worse.• The existence of organisms still living after millenia make merecentenarians seem insignificant.• The present number of centenarians will not be known until the publication of the 1991 census.