自分jibundeha分かったwakattaつもりtsumorideいたitaけどkedo改めてaratamete考えるkangaeruto分かんなくwakannakuなってnatteきたkita
I was sure I understood it, but on thinking it over, I realized I didn't know at all.

© Based on JMdict, KANJIDIC2, and JMnedict, property of the Electronic Dictionary Research and Development Group, used in conformance with the Group's licence. Example sentences from the Tatoeba project (CC BY 2.0). Kanji stroke order data from the KanjiVG project by Ulrich Apel (CC BY-SA 3.0). See comprehensive list of data sources for more info.

Search other dictionaries for 自分では、分かったつもりでいたけど、改めて考えると分かんなくなってきた。:
Yahoo!辞書 / goo辞書 / alc.co.jp / Weblio / Wiktionary