His teacher

"Fall of a year" refers to the season of autumn, especially in North America.

qualm: a feeling of doubt or worry about whether what you are doing is right

unbeknownst: without the person mentioned knowing

penmanship: ​the art of writing by hand; skill in doing this

cursive: ​(of handwriting) with the letters joined together

showboating: behavior that is intended to show people how clever, skillful, etc. you are

flute: a musical instrument of the woodwind group, like a thin pipe in shape. The player holds it to the side of his or her face and blows across a hole at one end.

memento: a thing that you keep or give to somebody to remind you or them of a person or place

slaughterhouse: a building where animals are killed for food

seep: (especially of liquids) to flow slowly and in small quantities through something or into something

unveil: to remove a cover or curtain from a painting, statue, etc. so that it can be seen in public for the first time

awe: feelings of respect and slight fear; feelings of being very impressed by something/somebody

appalled: feeling or showing horror at something unpleasant or wrong

crackle: to make short sharp sounds like something that is burning in a fire

scribble: to write something quickly and carelessly, especially because you do not have much time

Bill Gates "Source Code"

Online Dictionaries Used:

hk.dictionary.search.yahoo.com

www.oxfordlearnersdictionaries.com