彼が来る事をはっきりとは知らなかった。

Sentence Analyzer

来る はっきり 知らなかった

English Translation

I don't know for certain when he will come.

Furigana

(かれ)()(こと)をはっきりとは()らなかった。

Romanji

Kare ga kuru koto o hakkiri to wa shiranakatta.

Words

(かれ)
he; him; his; boyfriend
()
indicates sentence subject (occasionally object); indicates possessive (esp. in literary expressions); but; however; still; and
来る (くる)
to come (spatially or temporally); to approach; to arrive; to come back; to do ... and come back; to come to be; to become; to get; to grow; to continue; to come from; to be caused by; to derive from; to come to (i.e. "when it comes to spinach ...")
(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
()
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.
はっきり (はっきり)
clearly; plainly; distinctly; to be clear; to be definite; to be certain; to be exact; to become clear; to clear up
()
if; when; and; with; particle used for quoting (with speech, thoughts, etc.); quoting particle; promoted pawn; indicates question (sentence end)
()
topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis
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

Kanji

Readings: ヒ、 かれ、 かの、 か.の
Meanings: he, that, the
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: ジ、 ズ、 こと、 つか.う、 つか.える
Meanings: matter, thing, fact, business, reason, possibly
Readings: チ、 し.る、 し.らせる
Meanings: know, wisdom