Englishfor English speakers
worn
—
adjective
affected by wear; damaged by long use
worn threads on the screw
a worn suit
the worn pockets on the jacket
—
adjective
(= careworn, drawn, haggard, raddled)
showing the wearing effects of overwork or care or suffering
looking careworn as she bent over her mending
her face was drawn and haggard from sleeplessness
that raddled but still noble face
shocked to see the worn look of his handsome young face
— Charles Dickens
by
Preposition
—
near or next to.
The mailbox is by the bus stop.
—
at some time before (the given time).
Be back by ten o'clock!
—
if something is done by somebody, it is done through their action
The matter was decided by the chairman.
The boat was swamped by the water.
He was protected by his body armour.
—
if something is created by somebody, they are the creator, author, etc.
There are many well-known plays by William Shakespeare.
—
shows how someone does something
I avoided the guards by moving only when they weren't looking.
—
using the rules or logic of.
I sorted the items by category.
—
with a change of. In this case, by shows how much something has changed.
Our stock is up by ten percent.
—
shows how slowly, or how quickly, someone does something (used in the form "X by X" or "by Xs")
We went through the book page by page.
We crawled forward by inches.
—
If you multiply mathx/math by mathy/math, you multiply mathx/math × mathy/math.
Five multiplied by seven is 35.
—
If you divide mathx/math by mathy/math, you find how many mathy/maths are in mathx/math.
35 divided by seven is five.
mistake
Noun
—
A mistake is something that is done wrong or is incorrect.
I made a mistake in spelling 'grammar', g-r-a-m-m-E-r.
It's a mistake to think that everyone wants the same things.
There were only two mistakes on my test.
I wanted to phone Jose, but I phoned Petra by mistake.
mistake
Verb
—
If you mistake something, you think it is different from what it really is.
I mistook her voice for the voice of her sister.
I completely mistook your meaning. I thought you were talking about tomorrow.