JLPT N1
～つ～つ
alternately ~ing and ~ing; doing ~ and ~ back and forth
Structure / Usage
Verb (ます-stem) + つ + Verb (ます-stem) + つ
Example Sentences
行きつ戻りつしながら、道を探した。
Going back and forth, I searched for the way.
二人は持ちつ持たれつの関係だ。
The two of them have a give-and-take relationship.