fall through

Verb

idiomatic intransitive

(intransitive, idiomatic) To be unsuccessful, come to nothing; to be cancelled; not to proceed.

Japanese Meaning

計画が実現せず、頓挫すること / 期待された結果に至らない、成功しないこと / 中止される、配達予定が果たせない

The merger might fall through if regulators delay approval.

規制当局が承認を遅らせれば、その合併は頓挫するかもしれない。

Sense（1）

(intransitive, idiomatic) To be unsuccessful, come to nothing; to be cancelled; not to proceed.

Their plans to go hiking Saturday fell through because it rained.

falls through

（ present singular third-person ）

falling through

（ participle present ）

fell through

（ past ）

fallen through

（ participle past ）