一应俱全

with everything needed available

one / single / a (article) / as soon as / entire; whole; all; throughout / "one" radical in Chinese characters (Kangxi radical 1) / also pr. [yao1] for greater clarity when spelling out numbers digit by digit

all / every

surname Ying / Taiwan pr. [Ying4]

to agree (to do sth) / should / ought to / must / (legal) shall

to answer / to respond / to comply with / to deal or cope with

entirely / without exception / (literary) to be together / to be alike

(literary) all; both; entirely; without exception / (literary) to be together / (literary) to be alike

every kind / every variety under the sun / a complete gamut

all / whole / entire / every / complete