不及格

to fail / to flunk

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

to fall short of / not as good as / too late

and / to reach / up to / in time for

to pass an exam or a test / to meet a minimum standard

square / frame / rule / (legal) case / style / character / standard / pattern / (grammar) case / (classical) to obstruct / to hinder / (classical) to arrive / to come / (classical) to investigate / to study exhaustively