親友といえども、その友情を維持する努力が必要である。

Sentence Analyzer

親友 いえ ども その 友情 維持する 努力 必要 ある

English Translation

Even good friends should make an effort to keep up their friendship.

Furigana

親友(しんゆう)といえども、その友情(ゆうじょう)維持(いじ)する努力(どりょく)必要(ひつよう)である。

Romanji

Shin'yū to ie domo, sono yūjō o ijisuru doryoku ga hitsuyō de aru.

Words

親友 (しんゆう)
close friend; bosom (old, intimate) friend; buddy; crony; chum
()
if; when; and; with; particle used for quoting (with speech, thoughts, etc.); quoting particle; promoted pawn; indicates question (sentence end)
結う (ゆう、いう)
to do up (hair); to braid; to fasten; to fix
ども (ども)
even though; even if
其の (その)
that (something or someone distant from the speaker, close to the listener; actions of the listener, or ideas expressed or understood by the listener); the; um...; er...; uh...
友情 (ゆうじょう)
friendship; fellowship; camaraderie
()
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.
維持 (いじ)
maintenance; preservation; improvement
努力 (どりょく)
great effort; exertion; endeavour; endeavor; effort
()
indicates sentence subject (occasionally object); indicates possessive (esp. in literary expressions); but; however; still; and
必要 (ひつよう)
necessary; needed; essential; indispensable; necessity; need; requirement
()
be; is; indicates past or completed action; indicates light imperative
(ある)
a certain ...; some ...

Kanji

Readings: シン、 おや、 おや-、 した.しい、 した.しむ
Meanings: parent, intimacy, relative, familiarity, dealer (cards)
Readings: ユウ、 とも
Meaning: friend
Readings: ジョウ、 セイ、 なさ.け
Meanings: feelings, emotion, passion, sympathy, circumstances, facts
Reading: 
Meanings: fiber, tie, rope
Readings: ジ、 も.つ、 -も.ち、 も.てる
Meanings: hold, have
Readings: ド、 つと.める
Meanings: toil, diligent, as much as possible
Readings: リョク、 リキ、 リイ、 ちから
Meanings: power, strength, strong, strain, bear up, exert
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