He understood not the first thing of arithmetic, he filled his compositions with absurdities, he never succeeded in retaining a phrase in his mind; and now he solves problems, writes correctly, and sings his lessons like a song.
他起初毫不懂算术,作文时只写些无谓的话,读本上一句也记不得。现
是算术的问题也能做,文也会写,读本熟得和唱歌一样了。