一人になると彼はこころゆくまで泣いた。
Sentence Analyzer
English Translation
        When left alone, he cried to his heart's content.
    
Furigana
Romanji
        Ichi nin ni naru to kare wa kokoroyuku made naita.
    
Words
            
                一
            
            
                (いち)
            
        
        
            one; best; first; foremost; beginning; start; bottom string (on a shamisen, etc.)
        
    
            
                人
            
            
                (じん)
            
        
        
            -ian (e.g. Italian); -ite (e.g. Tokyoite); indicates nationality, race, origin, etc.; -er (e.g. performer, etc.); person working with ...; indicates expertise (in a certain field); (usu. in compound words) man; person; people
        
    
            
                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
        
    
            
                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 ...
        
    
            
                と
            
            
                (と)
            
        
        
            if; when; and; with; particle used for quoting (with speech, thoughts, etc.); quoting particle; promoted pawn; indicates question (sentence end)
        
    
            
                彼
            
            
                (かれ)
            
        
        
            he; him; his; boyfriend
        
    
            
                は
            
            
                (は)
            
        
        
            topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis
        
    
            
                心行く
            
            
                (こころゆく)
            
        
        
            to be completely satisfied or contented
        
    
            
                迄
            
            
                (まで)
            
        
        
            until (a time); till; to; up to; to (a place); as far as; to (an extent); up to; so far as; even; only; merely
        
    
            
                泣く
            
            
                (なく)
            
        
        
            to cry; to weep; to sob; to howl