JLPT N3
V-ちゃう
End up ～. Conveys that one did something regrettably or completely. Short form of V-てしまう.
Structure / Usage
V-ちゃう (Casual form of てしまう)
Example Sentences
ダイエット中なのに、レストランでついデザートを食べちゃいました。
Although I am on a diet, I ate dessert at the restaurant without thinking.
宿題を完了したのに、忘れちゃった。
I completed my homework, but completely forgot it.