クラス全体が先生のジョークに爆笑しました。
Sentence Analyzer
English Translation
        The whole class burst into laughter at the teacher's joke.
    
Furigana
        クラス全体 が先生 のジョークに爆笑 しました。
    
Romanji
        Kurasu zentai ga sensei no jo-ku ni bakushōshimashita.
    
Words
            
                クラス
            
            
                (クラス)
            
        
        
            class
        
    
            
                全体
            
            
                (ぜんたい)
            
        
        
            whole; entirety; whatever (is the matter)
        
    
            
                が
            
            
                (が)
            
        
        
            indicates sentence subject (occasionally object); indicates possessive (esp. in literary expressions); but; however; still; and
        
    
            
                先生
            
            
                (せんせい、せんじょう)
            
        
        
            teacher; master; doctor; with names of teachers, etc. as an honorific; previous existence
        
    
            
                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
        
    
            
                ジョーク
            
            
                (ジョーク)
            
        
        
            joke
        
    
            
                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
        
    
            
                爆笑
            
            
                (ばくしょう)
            
        
        
            roar of laughter (from several people); laughing hard (single person)
        
    Kanji
Readings: ゼン、 まった.く、 すべ.て
                        Meanings: whole, entire, all, complete, fulfill
                    Readings: タイ、 テイ、 からだ、 かたち
                        Meanings: body, substance, object, reality, counter for images
                    Readings: セン、 さき、 ま.ず
                        Meanings: before, ahead, previous, future, precedence
                    Readings: セイ、 ショウ、 い.きる、 い.かす、 い.ける、 う.まれる、 うま.れる、 う.まれ、 うまれ、 う.む、 お.う、 は.える、 は.やす、 き、 なま、 なま-、 な.る、 な.す、 む.す、 -う
                        Meanings: life, genuine, birth
                    Readings: バク、 は.ぜる
                        Meanings: bomb, burst open, pop, split
                    Readings: ショウ、 わら.う、 え.む
                        Meaning: laugh