all-im·por·tant /ˌɔlɪmˈpɔrtṇt, tənt/
(a.)十分重要的
all-important
adj : of the greatest importance; "the all-important subject of
disarmament"; "crucial information"; "in chess cool
nerves are of the essence" [syn: all-important(a), all
important(p), crucial, essential, of the
essence(p)]