石油の発見は思いがけない幸運だった。

Sentence Analyzer

石油 発見 思いがけない 幸運 だった

English Translation

The discovery of oil was a lucky accident.

Furigana

石油(せきゆ)発見(はっけん)(おも)いがけない幸運(こううん)だった。

Romanji

Sekiyu no hakken wa omoigakenai kōun datta.

Words

石油 (せきゆ)
oil; petroleum; kerosene
()
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
発見 (はっけん)
discovery; detection; finding
()
topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis
思いがけない (おもいがけない)
unexpected; contrary to expectations; by chance; casual
幸運 (こううん)
good luck; fortune
()
be; is; indicates past or completed action; indicates light imperative

Kanji

Readings: セキ、 シャク、 コク、 いし
Meaning: stone
Readings: ユ、 ユウ、 あぶら
Meanings: oil, fat
Readings: ハツ、 ホツ、 た.つ、 あば.く、 おこ.る、 つか.わす、 はな.つ
Meanings: departure, discharge, publish, emit, start from, disclose, counter for gunshots
Readings: ケン、 み.る、 み.える、 み.せる
Meanings: see, hopes, chances, idea, opinion, look at, visible
Readings: シ、 おも.う、 おもえら.く、 おぼ.す
Meaning: think
Readings: コウ、 さいわ.い、 さち、 しあわ.せ
Meanings: happiness, blessing, fortune
Readings: ウン、 はこ.ぶ
Meanings: carry, luck, destiny, fate, lot, transport, progress, advance