なぜ要点を書き留めなかったのか。
Sentence Analyzer
English Translation
        Why didn't you note down the points?
    
Furigana
        なぜ要点 を書 き留 めなかったのか。
    
Romanji
        Naze yōten o kakitomenakatta no ka.
    
Words
            
                何故
            
            
                (なぜ、なにゆえ)
            
        
        
            why; how
        
    
            
                要点
            
            
                (ようてん)
            
        
        
            gist; main point
        
    
            
                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.
        
    
            
                書き留める
            
            
                (かきとめる、かきとどめる)
            
        
        
            to write down; to leave a note behind; to record; to chronicle
        
    
            
                の
            
            
                (の)
            
        
        
            indicates possessive; nominalizes verbs and adjectives; substitutes for "ga" in subordinate phrases; (at sentence-end, falling tone) indicates a confident conclusion; (at sentence-end) indicates emotional emphasis; (at sentence-end, rising tone) indicates question
        
    
            
                か
            
            
                (か)
            
        
        
            indicates a question (sometimes rhetorical); or; whether or not; some- (e.g. something, someone); indicates doubt, uncertainty, etc.; emphatic prefix; suffix forming adjectives or adverbs; in that way
        
    Kanji
Readings: ヨウ、 い.る、 かなめ
                        Meanings: need, main point, essence, pivot, key to
                    Readings: テン、 つ.ける、 つ.く、 た.てる、 さ.す、 とぼ.す、 とも.す、 ぼち
                        Meanings: spot, point, mark, speck, decimal point
                    Readings: ショ、 か.く、 -が.き、 -がき
                        Meaning: write
                    Readings: リュウ、 ル、 と.める、 と.まる、 とど.める、 とど.まる、 るうぶる
                        Meanings: detain, fasten, halt, stop