少年はコンピューターゲームで遊ぶのに夢中だった。
Sentence Analyzer
English Translation
        The boy was absorbed in playing a computer game.
    
Furigana
Romanji
        Shōnen wa konpyu-ta- ge-mu de asobu no ni muchū datta.
    
Words
            
                少年
            
            
                (しょうねん)
            
        
        
            boy; juvenile; young boy; youth; lad
        
    
            
                は
            
            
                (は)
            
        
        
            topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis
        
    
            
                コンピュータ
            
            
                (コンピュータ、コンピューター)
            
        
        
            computer
        
    
            
                ゲーム
            
            
                (ゲーム)
            
        
        
            game
        
    
            
                で
            
            
                (で、にて)
            
        
        
            indicates location of action; at; in; indicates time of action; indicates means of action; cause of effect; by; and then; so; indicates continuing action; indicates certainty, emphasis, etc.
        
    
            
                遊ぶ
            
            
                (あそぶ、あすぶ)
            
        
        
            to play; to enjoy oneself; to have a good time; to mess about (with alcohol, gambling, philandery, etc.); to be idle; to do nothing; to be unused; to go to (for pleasure or for study); to intentionally throw a ball to lower the batter's concentration
        
    
            
                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
        
    
            
                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
        
    
            
                夢中
            
            
                (むちゅう)
            
        
        
            daze; (in a) trance; ecstasy; delirium; engrossment; within a (deep) dream
        
    
            
                だ
            
            
                (だ)
            
        
        
            be; is; indicates past or completed action; indicates light imperative