JLPT N1
～たなり/たきり
since ~ (and never changed back); has been ~ ever since
Structure / Usage
Verb (た-form) + なり / きり
Example Sentences
彼は出かけたきり、帰ってこなかった。
He went out and never came back.
座ったなり動こうとしない。
He sat down and hasn't tried to move since.
since ~ (and never changed back); has been ~ ever since