N2 — outside your level filter
no sooner does one X than — the second event lands so early the first may not even be finished
ベルが鳴るか鳴らないかのうちに、生徒たちは教室を飛び出した。
beru ga naru ka naranai ka no uchi ni, seitotachi wa kyoushitsu o tobidashita.
Almost before the bell had finished ringing, the students had already dashed out of the classroom. neutral
ドアが開くか開かないかのうちに、猫が飛び出してきた。
doa ga aku ka akanai ka no uchi ni, neko ga tobidashite kita.
The cat shot out almost before the door had even opened. neutral
か〜ないかのうちに
か〜ないかのうちにka nai ka no uchi niN2neutral