彼は一度聞いたことは決して忘れない。

Sentence Analyzer

聞いた こと 決して 忘れない

English Translation

What he has once heard he never forgets.

Furigana

(かれ)(いち)()()いたことは(けっ)して(わす)れない。

Romanji

Kare wa ichi do kiita koto wa kesshite wasurenai.

Words

(かれ)
he; him; his; boyfriend
()
topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis
(いち)
one; best; first; foremost; beginning; start; bottom string (on a shamisen, etc.)
()
degree (angle, temperature, scale, etc.); counter for occurrences and times; strength (of alcohol)
聞く (きく)
to hear; to listen (e.g. to music); to ask; to enquire; to query; to learn of; to hear about; to follow (advice); to comply with; to smell (esp. incense); to sample fragrance
(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
決して (けっして、けして)
never; by no means; not in the least; in no way
忘れる (わすれる)
to forget; to leave carelessly; to be forgetful of; to forget about; to forget (an article)

Kanji

Readings: ヒ、 かれ、 かの、 か.の
Meanings: he, that, the
Readings: イチ、 イツ、 ひと-、 ひと.つ
Meanings: one, one radical (no.1)
Readings: ド、 ト、 タク、 たび、 -た.い
Meanings: degrees, occurrence, time, counter for occurrences, consider, attitude
Readings: ブン、 モン、 き.く、 き.こえる
Meanings: hear, ask, listen
Readings: ケツ、 き.める、 -ぎ.め、 き.まる、 さ.く
Meanings: decide, fix, agree upon, appoint
Readings: ボウ、 わす.れる
Meaning: forget