原本是

was originally

→ 原本
phrase Rare #27,607
was originally Describes what something or someone was at first, often implying that it has since changed.
CH: 这原本是我的房间。
EN: This was originally my room.

那原本是我女儿的房间

That used to be my daughter’s room.

— 记忆中的玛妮 (2014)

波妞原本是鱼来着

Ponyo was originally a fish.

— 崖上的波妞 (2008)

诺斯塔尔号原本是艘渔船。

The Norstar was originally a fishing boat.

这原本是他的房子

This was originally his house.

— 寄生虫 (2019)