ない内に
無い内に
Reading
                Kana: 
                ないうちに
            
                    
                Romaji: 
                naiuchini
            
            Definition
                    1
                
                before it becomes (verb); before (an undesirable thing occurs)
                            Note: 
                            after neg. stem of verb
                        
                                                                                            
                                Note: 
                                word usually written using kana alone