彼が自分の利益のために彼らを援助したことは確かだ。
Sentence Analyzer
English Translation
It is certain that he helped them for the benefit of himself.
Furigana
Romanji
Kare ga jibun no rieki no tameni karera o enjoshita koto wa tashika da.
Words
彼
(かれ)
he; him; his; boyfriend
が
(が)
indicates sentence subject (occasionally object); indicates possessive (esp. in literary expressions); but; however; still; and
自分
(じぶん)
myself; yourself; oneself; himself; herself; I; me; you
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
利益
(りえき、りやく)
profit; gains; benefit; advantage; interest (of the public, etc.); grace (of God, Buddha, etc.) (esp. as attained through rightful actions, prayer, adherence to one's faith, etc.); blessing; miracle
為に
(ために)
for; for the sake of; to one's advantage; in favor of; in favour of; on behalf of; because of; as a result of
彼ら
(かれら)
they (usually male); them
を
(を)
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.
援助
(えんじょ)
assistance; aid; support
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
は
(は)
topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis
確か
(たしか)
sure; certain; positive; definite; reliable; trustworthy; safe; sound; firm; accurate; correct; exact; If I'm not mistaken; If I remember correctly; If I remember rightly
だ
(だ)
be; is; indicates past or completed action; indicates light imperative
Kanji
Readings: ヒ、 かれ、 かの、 か.の
Meanings: he, that, the
Readings: ジ、 シ、 みずか.ら、 おの.ずから、 おの.ずと
Meaning: oneself
Readings: ブン、 フン、 ブ、 わ.ける、 わ.け、 わ.かれる、 わ.かる、 わ.かつ
Meanings: part, minute of time, segment, share, degree, one's lot, duty, understand, know, rate, 1%, chances, shaku/100
Readings: リ、 き.く
Meanings: profit, advantage, benefit
Readings: エキ、 ヤク、 ま.す
Meanings: benefit, gain, profit, advantage
Reading: エン
Meanings: abet, help, save
Readings: ジョ、 たす.ける、 たす.かる、 す.ける、 すけ
Meanings: help, rescue, assist
Readings: カク、 コウ、 たし.か、 たし.かめる
Meanings: assurance, firm, tight, hard, solid, confirm, clear, evident