人間が最初に火星に到達するのはいったいいつになるか、まだ分かっていない。

Sentence Analyzer

English Translation

Just when the first human beings will reach Mars remains to be seen.

Furigana

人間(にんげん)が最初(さいしょ)に火星(かせい)に到達(とうたつ)するのはいったいいつになるか、まだ分(わ)かっていない。

Romanji

Ningen ga saisho ni kasei ni tōtatsusuru no wa ittai itsu ni naru ka, mada wakatteinai.

Words

人間 (にんげん)

human being; person; man; mankind; humankind; character (of a person)

が (が)

indicates sentence subject (occasionally object); indicates possessive (esp. in literary expressions); but; however; still; and

最初 (さいしょ)

beginning; outset; first; onset

に (に)

at (place, time); in; on; during; to (direction, state); toward; into; for (purpose); because of (reason); for; with; by; from; as (i.e. in the role of); per; in; for; a (e.g. "once a month"); and; in addition to; if; although

火星 (かせい)

Mars (planet)

到達 (とうたつ)

reaching; attaining; arrival

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

一体 (いったい)

...the heck (e.g. "what the heck?"); ...in the world (e.g. "why in the world?"); ...on earth (e.g. "who on earth?"); one object; one body; unity; one form; one style; one Buddhist image (or carving, etc.); generally; in general

何時 (いつ)

when; how soon

成る (なる)

to become; to get; to grow; to be; to reach; to attain; to result in; to prove to be; to consist of; to be composed of; to succeed; to be complete; to change into; to be exchanged for; to play a role; to be promoted; to do ...

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

未だ (まだ、いまだ)

as yet; hitherto; only; still; not yet (with negative verb); more; besides; unfinished; incomplete; not yet finished with

分かる (わかる)

to understand; to comprehend; to grasp; to see; to get; to follow; to become clear; to be known; to be discovered; to be realized; to be realised; to be found out