多年来

for the past many years

many; much / too many; in excess / (after a numeral) ... odd / how (to what extent) (Taiwan pr. [duo2]) / (bound form) multi-; poly-

many years / for many years / longstanding

surname Nian

year / CL:個|个[ge4]

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

this past year / over the last years

to come / to arrive / to come round / ever since / next