年老力衰

old and weak (idiom)

surname Nian

year / CL:個|个[ge4]

grain / harvest (old) / variant of 年[nian2]

aged

prefix used before the surname of a person or a numeral indicating the order of birth of the children in a family or to indicate affection or familiarity / old (of people) / venerable (person) / experienced / of long standing / always / all the time / of the past / very / outdated / (of meat etc) tough

power / force / strength / ability / strenuously

mourning garments

to decline / to wane / to become weak or feeble