[Adv.]やっぱり　actually,/as one thought or expected,

1. When you change your mind.

例　今日は　お寿司にしよう。　あ、やっぱり　カレーでもいい？

　　Let’s eat Sushi today. Oh, actually is it okay to eat curry?

2. When something you expected happens.

例　やっぱり　お父さんがケーキ食べたんだね。　

　　I was guessing a father ate cake and my guess was right.