不足為怪

not at all surprising (idiom)

no; not so / (bound form) not; un-

insufficient / lacking / deficiency / not enough / inadequate / not worth / cannot / should not

excessive

foot / to be sufficient / ample

as (in the capacity of) / to take sth as / to act as / to serve as / to behave as / to become / to be / to do / by (in the passive voice)

because of / for / to

bewildering / odd / strange / uncanny / devil / monster / to wonder at / to blame / quite / rather

variant of 怪[guai4]