不足为外人道

no use to tell others / let's keep this between ourselves (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

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]

outside / in addition / foreign / external

outsider / foreigner / stranger

person; people / CL:個|个[ge4],位[wei4]

human sympathy / humanitarianism / humane / the "human way", one of the stages in the cycle of reincarnation (Buddhism) / sexual intercourse

road / path / CL:條|条[tiao2],股[gu3] / principle / truth / morality / reason / skill / method / Dao (of Daoism) / to say / to speak / to talk / classifier for long thin things (rivers, cracks etc), barriers (walls, doors etc), questions (in an exam etc), commands, courses in a meal, steps in a process / (old) circuit (administrative division)