その音はだんだん大きくなった。
Sentence Analyzer
English Translation
        It was getting louder and louder.
    
Furigana
        その音 はだんだん大 きくなった。
    
Romanji
        Sono oto wa dandan ōkiku natta.
    
Words
            
                其の
            
            
                (その)
            
        
        
            that (something or someone distant from the speaker, close to the listener; actions of the listener, or ideas expressed or understood by the listener); the; um...; er...; uh...
        
    
            
                音
            
            
                (おと、ね、おん)
            
        
        
            sound; noise; report; note; fame; Chinese-derived character reading
        
    
            
                は
            
            
                (は)
            
        
        
            topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis
        
    
            
                段々
            
            
                (だんだん)
            
        
        
            gradually; by degrees; steps; stairs; staircase; terrace
        
    
            
                大きい
            
            
                (おおきい)
            
        
        
            big; large; great; loud
        
    
            
                成る
            
            
                (なる)
            
        
        
            to become; to get; to grow; to be; to reach; to attain; to result in; to prove to be; to consist of; to be composed of; to succeed; to be complete; to change into; to be exchanged for; to play a role; to be promoted; to do ...