わたしが来たときパーティーはもうかなり進んでいた。

Sentence Analyzer

わたし 来た とき ぱーてぃー もう かなり 進んでいた

English Translation

The party was well along when I came.

Furigana

わたしが()たときパーティーはもうかなり(すす)んでいた。

Romanji

Watashi ga kita toki pa-thi- wa mō kanari susundeita.

Words

(わたし、わたくし)
I; me; private affairs; personal matter; secrecy; selfishness
()
indicates sentence subject (occasionally object); indicates possessive (esp. in literary expressions); but; however; still; and
来る (きたる)
next (e.g. "next April"); forthcoming; coming; to come; to arrive; to be due to
とき (とき)
regular (stops at every station) Jouetsu-line Shinkansen
パーティ (パーティ、パーティー)
party
()
topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis
もう (もう)
now; soon; shortly; before long; presently; already; yet; by now; (not) anymore; further; more; again; another; the other; interjection used to strengthen expression of an emotion (often exasperation)
可也 (かなり)
considerably; fairly; quite
荒む (すさむ)
to grow wild; to run to waste

Kanji

Readings: ライ、 タイ、 く.る、 きた.る、 きた.す、 き.たす、 き.たる、 き、 こ
Meanings: come, due, next, cause, become
Readings: シン、 すす.む、 すす.める
Meanings: advance, proceed, progress, promote