彼女がどんなに喜んでいるのかわからなかった。

Sentence Analyzer

彼女 どんなに 喜んでいる わからなかった

English Translation

I did not notice how glad she was.

Furigana

彼女(かのじょ)がどんなに(よろこ)んでいるのかわからなかった。

Romanji

Kanojo ga donnani yorokondeiru no ka wakaranakatta.

Words

彼女 (かのじょ)
she; her; her; girlfriend; sweetheart
()
indicates sentence subject (occasionally object); indicates possessive (esp. in literary expressions); but; however; still; and
どんなに (どんなに)
how; how much
喜ぶ (よろこぶ)
to be delighted; to be glad; to be pleased; to congratulate; to gratefully accept
()
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
()
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
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

Kanji

Readings: ヒ、 かれ、 かの、 か.の
Meanings: he, that, the
Readings: ジョ、 ニョ、 ニョウ、 おんな、 め
Meanings: woman, female
Readings: キ、 よろこ.ぶ、 よろこ.ばす
Meanings: rejoice, take pleasure in