大事なのは全力を尽くすか否かだ。

Sentence Analyzer

大事なのは全力を尽くすか否かだ。

English Translation

What matters is whether you do your best or not.

Furigana

大事(だいじ)なのは全力(ぜんりょく)を尽(つ)くすか否(いな)かだ。

Romanji

Daijina no wa zenryoku o tsukusu ka ina ka da.

Words

大事 (だいじ、おおごと)

important; valuable; serious matter

の (の)

indicates possessive; nominalizes verbs and adjectives; substitutes for "ga" in subordinate phrases; (at sentence-end, falling tone) indicates a confident conclusion; (at sentence-end) indicates emotional emphasis; (at sentence-end, rising tone) indicates question

は (は)

topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis

全力 (ぜんりょく)

all one's power; whole energy

を (を)

indicates direct object of action; indicates subject of causative expression; indicates an area traversed; indicates time (period) over which action takes place; indicates point of departure or separation of action; indicates object of desire, like, hate, etc.

尽くす (つくす)

to exhaust; to run out; to devote; to serve (a person); to befriend; to do to exhaustion

か (か)

indicates a question (sometimes rhetorical); or; whether or not; some- (e.g. something, someone); indicates doubt, uncertainty, etc.; emphatic prefix; suffix forming adjectives or adverbs; in that way

否 (ひ)

no; the noes

だ (だ)

be; is; indicates past or completed action; indicates light imperative