彼はよくできない、自分の能力を最大限に利用していないからだ。
Sentence Analyzer
English Translation
        He doesn't do well because he doesn't make the most of his ability.
    
Furigana
Romanji
        Kare wa yoku dekinai, jibun no nōryoku o saidaigen ni riyōshiteinai kara da.
    
Words
            
                彼
            
            
                (かれ)
            
        
        
            he; him; his; boyfriend
        
    
            
                は
            
            
                (は)
            
        
        
            topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis
        
    
            
                良く
            
            
                (よく)
            
        
        
            nicely; properly; well; skillfully; skilfully; frequently; often
        
    
            
                出来る
            
            
                (できる)
            
        
        
            to be able (in a position) to do; to be up to the task; to be ready; to be completed; to be made; to be built; to be good at; to be permitted (to do); to become intimate; to take up (with somebody); to grow; to be raised; to become pregnant
        
    
            
                自分
            
            
                (じぶん)
            
        
        
            myself; yourself; oneself; himself; herself; I; me; you
        
    
            
                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
        
    
            
                能力
            
            
                (のうりょく)
            
        
        
            ability; faculty
        
    
            
                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.
        
    
            
                最大限
            
            
                (さいだいげん)
            
        
        
            maximum
        
    
            
                に
            
            
                (に)
            
        
        
            at (place, time); in; on; during; to (direction, state); toward; into; for (purpose); because of (reason); for; with; by; from; as (i.e. in the role of); per; in; for; a (e.g. "once a month"); and; in addition to; if; although
        
    
            
                利用
            
            
                (りよう)
            
        
        
            use; utilization; utilisation; application
        
    
            
                から
            
            
                (から)
            
        
        
            from (e.g. time, place, numerical quantity); since; from (originator); by; because; since; out of (constituent, part); through (e.g. window, vestibule); after; since
        
    
            
                だ
            
            
                (だ)
            
        
        
            be; is; indicates past or completed action; indicates light imperative
        
    Kanji
Readings: ヒ、 かれ、 かの、 か.の
                        Meanings: he, that, the
                    Readings: ジ、 シ、 みずか.ら、 おの.ずから、 おの.ずと
                        Meaning: oneself
                    Readings: ブン、 フン、 ブ、 わ.ける、 わ.け、 わ.かれる、 わ.かる、 わ.かつ
                        Meanings: part, minute of time, segment, share, degree, one's lot, duty, understand, know, rate, 1%, chances, shaku/100
                    Readings: ノウ、 よ.く
                        Meanings: ability, talent, skill, capacity
                    Readings: リョク、 リキ、 リイ、 ちから
                        Meanings: power, strength, strong, strain, bear up, exert
                    Readings: サイ、 シュ、 もっと.も、 つま
                        Meanings: utmost, most, extreme
                    Readings: ダイ、 タイ、 おお-、 おお.きい、 -おお.いに
                        Meanings: large, big
                    Readings: ゲン、 かぎ.る、 かぎ.り、 -かぎ.り
                        Meanings: limit, restrict, to best of ability
                    Readings: リ、 き.く
                        Meanings: profit, advantage, benefit
                    Readings: ヨウ、 もち.いる
                        Meanings: utilize, business, service, use, employ