noun
open sesame
The magic phrase from the Ali Baba story, used to open a door or barrier. In Japanese, it is a noun referring to the phrase itself or metaphorically to a key that unlocks something.
アリババは「オープンセサミ」と言って洞窟の扉を開けた。
Ali Baba said 'Open Sesame' and opened the cave door.
このパスワードはまるでオープンセサミだ。
This password is like an open sesame.