彼らは一試合も勝てなかったので、意気消沈した。

Sentence Analyzer

彼ら 試合 勝てなかった ので 意気 消沈した

English Translation

They lost heart because they had won no games.

Furigana

(かれ)らは(いち)試合(しあい)()てなかったので、意気(いき)消沈(しょうちん)した。

Romanji

Karera wa ichi shiai mo katenakatta node, iki shōchinshita.

Words

彼ら (かれら)
they (usually male); them
()
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.)
試合 (しあい)
match; game; bout; contest
()
too; also; in addition; as well; (not) either (in a negative sentence); both A and B; A as well as B; neither A nor B (in a negative sentence); even; as much as; as many as; as far as; as long as; no less than; no fewer than; even if; even though; although; in spite of; further; more; again; another; the other
ので (ので、んで)
that being the case; because of ...; the reason is ....; given that...
意気 (いき)
spirit; heart; disposition
消沈 (しょうちん)
depression; low spirits; dejection

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: シ、 こころ.みる、 ため.す
Meanings: test, try, attempt, experiment, ordeal
Readings: ゴウ、 ガッ、 カッ、 あ.う、 -あ.う、 あ.い、 あい-、 -あ.い、 -あい、 あ.わす、 あ.わせる、 -あ.わせる
Meanings: fit, suit, join, 0.1
Readings: ショウ、 か.つ、 -が.ち、 まさ.る、 すぐ.れる、 かつ
Meanings: victory, win, prevail, excel
Reading: 
Meanings: idea, mind, heart, taste, thought, desire, care, liking
Readings: キ、 ケ、 いき
Meanings: spirit, mind, air, atmosphere, mood
Readings: ショウ、 き.える、 け.す
Meanings: extinguish, blow out, turn off, neutralize, cancel
Readings: チン、 ジン、 しず.む、 しず.める
Meanings: sink, be submerged, subside, be depressed, aloes