彼らは幼稚すぎて学ぶことの必要性を理解できなかった。

Sentence Analyzer

彼ら 幼稚すぎて 学ぶ こと 必要性 理解 できなかった

English Translation

They were too naive to understand the necessity of studying.

Furigana

(かれ)らは幼稚(ようち)すぎて(まな)ぶことの必要性(ひつようせい)理解(りかい)できなかった。

Romanji

Karera wa yōchisugite manabu koto no hitsuyōsei o rikai dekinakatta.

Words

彼ら (かれら)
they (usually male); them
()
topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis
幼稚 (ようち)
infancy; childish; infantile
学ぶ (まなぶ)
to study (in depth); to learn; to take lessons in
(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
()
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
必要性 (ひつようせい)
necessity
()
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.
理解 (りかい)
understanding; comprehension; appreciation; sympathy
出来る (できる)
to be able (in a position) to do; to be up to the task; to be ready; to be completed; to be made; to be built; to be good at; to be permitted (to do); to become intimate; to take up (with somebody); to grow; to be raised; to become pregnant

Kanji

Readings: ヒ、 かれ、 かの、 か.の
Meanings: he, that, the
Readings: ヨウ、 おさな.い
Meanings: infancy, childhood
Readings: チ、 ジ、 いとけない、 おさない、 おくて、 おでる
Meanings: immature, young
Readings: ガク、 まな.ぶ
Meanings: study, learning, science
Readings: ヒツ、 かなら.ず
Meanings: invariably, certain, inevitable
Readings: ヨウ、 い.る、 かなめ
Meanings: need, main point, essence, pivot, key to
Readings: セイ、 ショウ、 さが
Meanings: sex, gender, nature
Readings: リ、 ことわり
Meanings: logic, arrangement, reason, justice, truth
Readings: カイ、 ゲ、 と.く、 と.かす、 と.ける、 ほど.く、 ほど.ける、 わか.る、 さと.る
Meanings: unravel, notes, key, explanation, understanding, untie, undo, solve, answer, cancel, absolve, explain, minute