一筋ひとすじ

1. 1one line ; one stretch (e.g. of road) ; one strand (e.g. of hair) ; one beam (e.g. of light) ; one ray ; one length (e.g. of rope) Translated by Jiyomi
2. 2earnest ; resolute ; intent ; devoted ; single-minded
3. 3one bloodline ; one clan
4. 4ordinary ; common

Other writings and readings

JMdict entry 1575970 · frequency rank 12. Source and licence.