交通ルールを守ることは大切だ。
Sentence Analyzer
English Translation
        Following traffic rules is important.
    
Furigana
Romanji
        Kōtsū ru-ru o mamoru koto wa taisetsu da.
    
Words
            
                交通
            
            
                (こうつう)
            
        
        
            traffic; transportation; communication; exchange (of ideas, etc.); intercourse
        
    
            
                ルール
            
            
                (ルール)
            
        
        
            rule
        
    
            
                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.
        
    
            
                守る
            
            
                (まもる)
            
        
        
            to protect; to guard; to defend; to keep (i.e. a promise); to abide (by the rules); to observe; to obey; to follow
        
    
            
                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
        
    
            
                は
            
            
                (は)
            
        
        
            topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis
        
    
            
                大切
            
            
                (たいせつ、たいせち)
            
        
        
            important; necessary; indispensable; beloved; precious; dear; cherished; valuable; careful
        
    
            
                だ
            
            
                (だ)
            
        
        
            be; is; indicates past or completed action; indicates light imperative
        
    Kanji
Readings: コウ、 まじ.わる、 まじ.える、 ま.じる、 まじ.る、 ま.ざる、 ま.ぜる、 -か.う、 か.わす、 かわ.す、 こもごも
                        Meanings: mingle, mixing, association, coming & going
                    Readings: ツウ、 ツ、 とお.る、 とお.り、 -とお.り、 -どお.り、 とお.す、 とお.し、 -どお.し、 かよ.う
                        Meanings: traffic, pass through, avenue, commute, counter for letters, notes, documents, etc.
                    Readings: シュ、 ス、 まも.る、 まも.り、 もり、 -もり、 かみ
                        Meanings: guard, protect, defend, obey
                    Readings: ダイ、 タイ、 おお-、 おお.きい、 -おお.いに
                        Meanings: large, big
                    Readings: セツ、 サイ、 き.る、 -き.る、 き.り、 -き.り、 -ぎ.り、 き.れる、 -き.れる、 き.れ、 -き.れ、 -ぎ.れ
                        Meanings: cut, cutoff, be sharp