表情が明るくなった。
Sentence Analyzer
English Translation
        His face cleared.
    
Furigana
Romanji
        Hyōjō ga akaruku natta.
    
Words
            
                表情
            
            
                (ひょうじょう)
            
        
        
            facial expression; countenance; look; appearance; expression (vocal, etc.)
        
    
            
                が
            
            
                (が)
            
        
        
            indicates sentence subject (occasionally object); indicates possessive (esp. in literary expressions); but; however; still; and
        
    
            
                明るい
            
            
                (あかるい)
            
        
        
            bright; colourful; cheerful; familiar (with); knowledgeable (about); fair (e.g. politics); clean
        
    
            
                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 ...