不下
búxià
to be not less than (a certain quantity, amount etc)
In a story
No first chapter on this site uses this word yet. The app has every story in full.
Grammar with 不下
不…不…
不…不… — not … until … / won't … unless …
早也不X,晚也不X
早(也)不…,晚(也)不… — not sooner, not later, but just then
X也X不⋯⋯,Y也Y不⋯⋯
X也X不⋯⋯,Y也Y不⋯⋯ — can't manage either

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