しかしこの期待は第二次世界大戦が始まったとき、単なる楽観主義の表明に過ぎなかったことが明らかとなった。

Sentence Analyzer

English Translation

That proved to be no more than an expression of optimism when World War II began.

Furigana

しかしこの期待(きたい)は第(だい)二(に)次(じ)世界(せかい)大戦(たいせん)が始(はじ)まったとき、単(たん)なる楽観(らっかん)主義(しゅぎ)の表明(ひょうめい)に過(す)ぎなかったことが明(あき)らかとなった。

Romanji

Shikashi kono kitai wa dai ni ji sekai taisen ga hajimatta toki, tannaru rakkan shugi no hyōmei ni suginakatta koto ga akiraka to natta.

Words

然し (しかし)

however; but

此の (この)

this (something or someone close to the speaker (including the speaker), or ideas expressed by the speaker)

期待 (きたい)

expectation; anticipation; hope

は (は)

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

第 (だい)

ordinal

二 (に、ふた、ふ、ふう)

two

次 (じ)

next; hypo- (i.e. containing an element with low valence); order; sequence; time; times

世界 (せかい)

the world; society; the universe; sphere; circle; world; renowned; world-famous; well-known outside of Japan; realm governed by one Buddha; space

大戦 (たいせん)

great war; great battle

が (が)

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

始まる (はじまる)

to begin; to start; to commence; to happen (again); to begin (anew); to date (from); to originate (in)

とき (とき)

regular (stops at every station) Jouetsu-line Shinkansen

単なる (たんなる)

mere; simple; sheer

楽観 (らっかん)

optimism

主義 (しゅぎ)

doctrine; rule; principle

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

表明 (ひょうめい)

declaration; indication; representation; manifestation; demonstration; expression; announcement; assertion

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

過ぎる (すぎる)

to pass through; to pass by; to go beyond; to pass (i.e. of time); to elapse; to have expired; to have ended; to be over; to exceed; to surpass; to be above; to be no more than ...; to be excessive; to be too much; to be too ...

事 (こと、こん)

thing; matter; incident; occurrence; event; something serious; trouble; crisis; circumstances; situation; state of affairs; work; business; affair; after an inflectable word, creates a noun phrase indicating something the speaker does not feel close to; nominalizing suffix; pretending to ...; playing make-believe ...; alias; aka; nickname; alternative name; also known as

明らか (あきらか)

obvious; evident; clear; plain

と (と)

if; when; and; with; particle used for quoting (with speech, thoughts, etc.); quoting particle; promoted pawn; indicates question (sentence end)

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 ...