What is the repetition in the cats in krasinski square

'I wear my Polish look, I walk my Polish walk. Polish words float from my lips and I am almost safe, almost invisible

Explanation:

Throughout the story this phrase was been repeated by the author.

The repetition in the cats in krasinski square was 'I wear my Polish look, I walk my Polish walk. Polish words float from my lips and I am almost safe, almost invisible ...

Although this was the author way of trying to describe the constant and frequent vigilance the young girl must maintain and adapt to in order for her to escape the detection by the Germans.