ordinary talent; mediocre ability
Refers to a person of average or unremarkable talent. Often used in self-deprecating or modest contexts.
I feel that I am nothing more than a person of ordinary talent.
Compound of 凡 (bon, 'ordinary, mediocre') and 器 (ki, 'vessel, capacity, talent'). The exact historical derivation is uncertain, but the word follows a common pattern of using 器 to denote a person's caliber.