走っているときが一番幸せだ。
Sentence Analyzer
English Translation
        I feel happiest when I'm running.
    
Furigana
Romanji
        Hashitteiru toki ga ichiban shiawase da.
    
Words
            
                走る
            
            
                (はしる)
            
        
        
            to run; to travel (movement of vehicles); to drive; to hurry to; to retreat (from battle); to take flight; to run away from home; to elope; to tend heavily toward
        
    
            
                とき
            
            
                (とき)
            
        
        
            regular (stops at every station) Jouetsu-line Shinkansen
        
    
            
                が
            
            
                (が)
            
        
        
            indicates sentence subject (occasionally object); indicates possessive (esp. in literary expressions); but; however; still; and
        
    
            
                一番
            
            
                (いちばん)
            
        
        
            number one; first; first place; best; most; game; round; bout; as a test; as an experiment; by way of experiment; by way of trial; tentatively; song (e.g. in Noh); piece
        
    
            
                幸せ
            
            
                (しあわせ、しやわせ)
            
        
        
            happiness; good fortune; luck; blessing
        
    
            
                だ
            
            
                (だ)
            
        
        
            be; is; indicates past or completed action; indicates light imperative