私は彼が日本人だとは知らなかった。

Sentence Analyzer

私は彼が日本人だとは知らなかった。

English Translation

I didn't know that he was Japanese.

Furigana

私(わたし)は彼(かれ)が日本人(にっぽんじん)だとは知(し)らなかった。

Romanji

Watashi wa kare ga nipponjin da to wa shiranakatta.

Words

私 (わたし、わたくし)

I; me; private affairs; personal matter; secrecy; selfishness

は (は)

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

彼 (かれ)

he; him; his; boyfriend

が (が)

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

日本人 (にほんじん、にっぽんじん)

Japanese person; Japanese people

だ (だ)

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

と (と)

if; when; and; with; particle used for quoting (with speech, thoughts, etc.); quoting particle; promoted pawn; indicates question (sentence end)

知る (しる)

to be aware of; to know; to be conscious of; to cognize; to cognise; to notice; to feel; to understand; to comprehend; to grasp; to remember; to be acquainted with (a procedure); to experience; to go through; to learn; to be acquainted with (a person); to get to know; to concern