What aspect of the room most bothers the narrator in the book the yellow. wallpaper

How does this image the reader to understand seismographs?

What is the effect of narrator's word choice on the tone of this passage? the words "my heart shrank within itself" create a fearful tone. the words "better-omened" set a hopeful tone. the words "wounded his fellow" develop a remorseful tone. the words "struck harsh upon my ears" suggest an irritated tone.

What makes the literal, word-for-word translation of the metamorphosis hard to read?