以
yǐ
to use; by means of
In a story
No first chapter on this site uses this word yet. The app has every story in full.
Grammar with 以
以前/以后
…以前 / …以后 — before / after (a time or action)
可以
可以 — may / permission
因为…所以
因为…所以… — because…so
除了…以外
除了…以外 — besides / except

Learn it in the app
Save a word while you read and it comes back as a flashcard, read aloud, when it is due.