先生がすぐわかった、というのは以前に会ったことがあったからだ。

Sentence Analyzer

English Translation

I recognized the teacher at once, because I had met him before.

Furigana

先生(せんせい)がすぐわかった、というのは以前(いぜん)に会(あ)ったことがあったからだ。

Romanji

Sensei ga sugu wakatta, toiu no wa izen ni atta koto ga atta kara da.

Words

先生 (せんせい、せんじょう)

teacher; master; doctor; with names of teachers, etc. as an honorific; previous existence

が (が)

indicates sentence subject (occasionally object); indicates possessive (esp. in literary expressions); but; however; still; and

直ぐ (すぐ)

immediately; at once; directly; soon; before long; shortly; easily; without difficulty; right (near); nearby; just (handy)

分かる (わかる)

to understand; to comprehend; to grasp; to see; to get; to follow; to become clear; to be known; to be discovered; to be realized; to be realised; to be found out

と言う (という、とゆう)

called; named; as many as; as much as; all X; every X

の (の)

indicates possessive; nominalizes verbs and adjectives; substitutes for "ga" in subordinate phrases; (at sentence-end, falling tone) indicates a confident conclusion; (at sentence-end) indicates emotional emphasis; (at sentence-end, rising tone) indicates question

は (は)

topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis

以前 (いぜん)

ago; since; before; previous

に (に)

at (place, time); in; on; during; to (direction, state); toward; into; for (purpose); because of (reason); for; with; by; from; as (i.e. in the role of); per; in; for; a (e.g. "once a month"); and; in addition to; if; although

会う (あう)

to meet; to encounter; to see; to have an accident; to have a bad experience

事 (こと、こん)

thing; matter; incident; occurrence; event; something serious; trouble; crisis; circumstances; situation; state of affairs; work; business; affair; after an inflectable word, creates a noun phrase indicating something the speaker does not feel close to; nominalizing suffix; pretending to ...; playing make-believe ...; alias; aka; nickname; alternative name; also known as

有る (ある)

to be (usu. of inanimate objects); to exist; to live; to have; to be located; to be equipped with; to happen; to come about

から (から)

from (e.g. time, place, numerical quantity); since; from (originator); by; because; since; out of (constituent, part); through (e.g. window, vestibule); after; since

だ (だ)

be; is; indicates past or completed action; indicates light imperative