Flâner
tʃaɪniːzle̞tə tʃaɪniːzle̞tə mo̞ nä kɯᵝ tʃaɪniːzle̞tə o̞ ɸɯᵝ dʒapəniːzle̞tə ɽä tsɯᵝ kɯᵝ ɛm əʊ keɪ juː tiː iː keɪ aɪ ɛm əʊ ɛn eɪ keɪ juː ɛm eɪ siː eɪtʃ aɪ dʌbəljuː əʊ biː juː ɑː eɪ tiː ɛs juː keɪ juː tiː əʊ dʌbəljuː eɪ ɛn diː iː ɑː eɪ ɑː əʊ juː ɛn diː tiː eɪtʃ iː siː aɪ tiː waɪ dʌbəljuː aɪ tiː eɪtʃ əʊ juː tiː eɪ piː juː ɑː piː əʊ ɛs iː
In Japanese 目的もなく街をぶらつく (mokuteki mo naku machi wo buratsuku) - To wander around the city without a purpose.
To wander leisurely, observing one's surroundings without any particular purpose.
Example
"J'aime bien flâner dans les rues de Paris le dimanche après-midi."