She envied Garnet's grasp of the form work.

Try as she would, her own exercises and translations were poor affairs, and her ill-trained memory found it difficult to marshal the enormous number of facts that were daily forced upon it.

Miss Huntley at first was patient, but as the weeks wore on, and Winona still wallowed in a quagmire of amazing mistakes, she grew sarcastic.

The girl winced under some of her cutting remarks.

Apparently the mistress imagined her failure to be due to laziness and inattention, and sooner than confess that she could not understand the work, Winona was silent.
She never mentioned the long hours she spent poring over her books in Aunt Harriet's dining-room.