彼らはお互いにすぐなじんだ。
Sentence Analyzer
English Translation
        They soon became quite accustomed to each other.
    
Furigana
Romanji
        Karera wa otagai ni sugu najinda.
    
Words
            
                彼ら
            
            
                (かれら)
            
        
        
            they (usually male); them
        
    
            
                は
            
            
                (は)
            
        
        
            topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis
        
    
            
                お互い
            
            
                (おたがい)
            
        
        
            mutual; reciprocal; each other
        
    
            
                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
        
    
            
                直ぐ
            
            
                (すぐ)
            
        
        
            immediately; at once; directly; soon; before long; shortly; easily; without difficulty; right (near); nearby; just (handy)
        
    
            
                馴染む
            
            
                (なじむ)
            
        
        
            to become familiar with; to fit in; to adapt oneself; to get used to; to grow accustomed to