つらぬ とうしたそうだ
tsuranukitō shita sōda

Godan Verb (su)
Evidential Auxiliary

Expresses hearsay about a past event ("I heard that...") of 貫き通す

1. They say they followed through.; They say they carried it out.; They say they persevered.

Past/Perfective
Hearsay Evidence