それは触れないでおくのが一番いい。
Sentence Analyzer
English Translation
        It is best left untouched.
    
Furigana
        それは触 れないでおくのが一番 いい。
    
Romanji
        Sore wa furenaideoku no ga ichiban ii.
    
Words
            
                其れ
            
            
                (それ)
            
        
        
            that (indicating an item or person near the listener, the action of the listener, or something on their mind); it; that time; then; there (indicating a place near the listener); you
        
    
            
                は
            
            
                (は)
            
        
        
            topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis
        
    
            
                触れる
            
            
                (ふれる)
            
        
        
            to touch; to feel; to experience; to come in contact with; to be emotionally moved (by); to perceive; to touch on a subject; to allude to; to be in conflict (with); to violate (law, copyright, etc.); to proclaim
        
    
            
                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
        
    
            
                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
        
    
            
                いい
            
            
                (いい)
            
        
        
            good; excellent; fine; nice; pleasant; agreeable; sufficient (can be used to turn down an offer); ready; prepared; profitable (e.g. deal, business offer, etc.); beneficial; OK