-아/어 보니까
I found that....
The Korean grammar ending "-아/어 보니까" is a colloquial expression often used in spoken Korean. It is derived from the combination of "-보다" (to try or to see) and the connective ending "-니까" (because, since). This structure is used to convey that the speaker has realized or discovered something after experiencing or observing it firsthand.
Meaning and Usage
"-아/어 보니까" can be translated to English as "I found that," "I realized that," or "it turns out that" after trying, seeing, or experiencing something. It is often used to share a conclusion or insight based on personal experience.
Structure
Verb Stem + -아/어/해 보니까
가다 (to go) → 가 보니까
먹다 (to eat) → 먹어 보니까
하다 (to do) → 해 보니까
Examples
이 책을 읽어 보니까 정말 재미있더라고요.
→ I found this book really interesting after reading it.
(I read the book and realized that it's interesting.)그 사람을 만나 보니까 생각보다 친절했어요.
→ It turns out that person was kinder than I thought.
(After meeting that person, I realized they were kinder than expected.)직접 해 보니까 생각보다 어려웠어요.
→ I realized it was harder than I thought after trying it myself.
(I tried it myself and found it challenging.)여행을 다녀와 보니까 좋은 경험이었어요.
→ I realized it was a great experience after coming back from the trip.
(After traveling, I found that it was a good experience.)
Comparison with Similar Expressions
“-아/어 보니”
"-아/어 보니" is actually a shortened form of "-아/어 보니까":-아/어 보니까 vs. -더니
"-더니" is used when the speaker talks about a change in situation after observing or experiencing something in the past, often with a nuance of contrast.그 남자는 처음 만났을 땐 쌀쌀하더니 지금은 친절해졌어요.
(The man was cold when I first met him, but now he's friendly.)
Usage Tips
"-아/어 보니까" is usually used in spoken or informal written Korean.
It adds a sense of discovery or realization, so it's often used to share personal insights, advice, or experiences.
When used in the past tense form with -더라고요, it emphasizes that the speaker personally realized something:
해보니까 어렵더라고요 (I tried it, and I realized it was difficult.)

