stars align

Phrase

idiomatic

(idiomatic) Events or circumstances combine fortuitously.

Japanese Meaning

幸運な偶然が重なり、一連の良い出来事が起こる状態を表す。

If the stars align, we'll be able to launch the product by the end of the quarter.

星が揃えば、私たちは四半期末までに製品を発売できるでしょう。

Sense（1）

(idiomatic) Events or circumstances combine fortuitously.