地球が丸いことを知らない人はいない。

Sentence Analyzer

地球 丸い こと 知らない いない

English Translation

There is no one but knows that the earth is round.

Furigana

地球(ちきゅう)(まる)いことを()らない(ひと)はいない。

Romanji

Chikyū ga marui koto o shiranai hito wa inai.

Words

地球 (ちきゅう)
the earth; the globe
()
indicates sentence subject (occasionally object); indicates possessive (esp. in literary expressions); but; however; still; and
丸い (まるい、まろい)
round; circular; spherical; harmonious; calm
(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.
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
(ひと、ヒト)
man; person; human being; mankind; people; human (Homo sapiens); humans as a species; character; personality; man of talent; true man; another person; other people; others; adult
()
topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis
要る (いる)
to need; to want

Kanji

Readings: チ、 ジ
Meanings: ground, earth
Readings: キュウ、 たま
Meanings: ball, sphere
Readings: ガン、 まる、 まる.める、 まる.い
Meanings: round, full (month), perfection, -ship, pills, make round, roll up, curl up, seduce, explain away
Readings: チ、 し.る、 し.らせる
Meanings: know, wisdom
Readings: ジン、 ニン、 ひと、 -り、 -と
Meaning: person