彼の議論は説得力のあるものだったが、私達は彼を支持しなかった。

Sentence Analyzer

議論 説得力 ある もの だった 私達 支持しなかった

English Translation

Though his argument was convincing, we did not side with him.

Furigana

(かれ)議論(ぎろん)説得力(せっとくりょく)のあるものだったが、私達(わたしたち)(かれ)支持(しじ)しなかった。

Romanji

Kare no giron wa settokuryoku no aru mono datta ga, watashitachi wa kare o shijishinakatta.

Words

(かれ)
he; him; his; boyfriend
()
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
議論 (ぎろん)
argument; discussion; dispute; controversy
()
topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis
説得力 (せっとくりょく)
persuasiveness; persuasive power
有る (ある)
to be (usu. of inanimate objects); to exist; to live; to have; to be located; to be equipped with; to happen; to come about
(もの、もん)
person
()
be; is; indicates past or completed action; indicates light imperative
()
indicates sentence subject (occasionally object); indicates possessive (esp. in literary expressions); but; however; still; and
私たち (わたしたち、わたくしたち)
we; us
()
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.
支持 (しじ)
support; holding up; propping; support; backing; endorsing

Kanji

Readings: ヒ、 かれ、 かの、 か.の
Meanings: he, that, the
Reading: 
Meanings: deliberation, consultation, debate, consideration
Reading: ロン
Meanings: argument, discourse
Readings: セツ、 ゼイ、 と.く
Meanings: opinion, theory, explanation, rumor
Readings: トク、 え.る、 う.る
Meanings: gain, get, find, earn, acquire, can, may, able to, profit, advantage, benefit
Readings: リョク、 リキ、 リイ、 ちから
Meanings: power, strength, strong, strain, bear up, exert
Readings: シ、 わたくし、 わたし
Meanings: private, I, me
Readings: タツ、 ダ、 -たち
Meanings: accomplished, reach, arrive, attain
Readings: シ、 ささ.える、 つか.える、 か.う
Meanings: branch, support, sustain, branch radical (no. 65)
Readings: ジ、 も.つ、 -も.ち、 も.てる
Meanings: hold, have