不足为训

not to be taken as an example / not an example to be followed / not to be taken as authoritative

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]

to teach / to train / to admonish / instruction (from superiors) / teachings / rule