无能为力

impotent (idiom) / powerless / helpless

not to have / no / none / not / to lack / un- / -less

incompetence / inability / incapable / powerless

surname Neng

can / to be able to / might possibly / ability / (physics) energy

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

variant of 為|为[wei2] / as (i.e. in the capacity of) / to take sth as / to act as / to serve as / to behave as / to become / to be / to do

variant of 為|为[wei4]

variant of 為|为[wei2]

power / force / strength / ability / strenuously