それは単なる手落ちだ。

Sentence Analyzer

それ 単なる 手落ち

English Translation

It was simply an oversight.

Furigana

それは(たん)なる手落(てお)ちだ。

Romanji

Sore wa tannaru teochi da.

Words

其れ (それ)
that (indicating an item or person near the listener, the action of the listener, or something on their mind); it; that time; then; there (indicating a place near the listener); you
()
topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis
単なる (たんなる)
mere; simple; sheer
手落ち (ておち)
oversight; omission
()
be; is; indicates past or completed action; indicates light imperative

Kanji

Readings: タン、 ひとえ
Meanings: simple, one, single, merely
Readings: シュ、 ズ、 て、 て-、 -て、 た-
Meaning: hand
Readings: ラク、 お.ちる、 お.ち、 お.とす
Meanings: fall, drop, come down, village, hamlet