地球が丸いことを知らない人はいない。
Sentence Analyzer
English Translation
        There is no one but knows that the earth is round.
    
Furigana
Romanji
        Chikyū ga marui koto o shiranai hito wa inai.
    
Words
            
                地球
            
            
                (ちきゅう)
            
        
        
            the earth; the globe
        
    
            
                が
            
            
                (が)
            
        
        
            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
        
    
            
                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
        
    
            
                を
            
            
                (を)
            
        
        
            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
        
    
            
                人
            
            
                (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
        
    
            
                は
            
            
                (は)
            
        
        
            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