君はその本を買う必要がなかったのに。

Sentence Analyzer

その 買う 必要 なかった のに

English Translation

You need not have bought the book.

Furigana

(きみ)はその(ほん)()必要(ひつよう)がなかったのに。

Romanji

Kimi wa sono hon o kau hitsuyō ga nakatta noni.

Words

(きみ)
you; buddy; pal; monarch; ruler; sovereign; (one's) master
()
topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis
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...
(ほん)
book; volume; script; this; present; main; head; real; regular; counter for long cylindrical things; counter for films, TV shows, etc.; counter for goals, home runs, etc.; counter for telephone calls
()
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.
買う (かう)
to buy; to purchase; to value; to have a high opinion; to stir; to provoke
必要 (ひつよう)
necessary; needed; essential; indispensable; necessity; need; requirement
()
indicates sentence subject (occasionally object); indicates possessive (esp. in literary expressions); but; however; still; and
無い (ない)
nonexistent; not being (there); unpossessed; unowned; not had; unique; indicates negation, inexperience, unnecessariness or impossibility; not ...; to not be...; to have not ...
のに (のに)
although; when; and yet; despite this; in spite of; even though; but even so; but even then; however; nevertheless; for all that; notwithstanding that; while; if only; I wish; I tell you; you should do; in order to

Kanji

Readings: クン、 きみ、 -ぎみ
Meanings: mister, you, ruler, male name suffix
Readings: ホン、 もと
Meanings: book, present, main, origin, true, real, counter for long cylindrical things
Readings: バイ、 か.う
Meaning: buy
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