原来 (yuán lái): เดิม

So you were here all along; I've been looking for you for a long time.

He was originally a doctor, but later changed his career to become a teacher.

So that's how it is; I understand now.

This book was originally mine, but later I gave it to a friend.

I didn't know about this originally; I only found out now.

So it was you! I didn't even recognize you.

He formerly lived in Beijing, then later moved to Shanghai.

This building still looks the way it originally did.

So that's how it is; I understand now.

I thought he wasn't coming, but it turns out he arrived long ago.