とうしたそうだ
tsukitō shita sōda

Godan Verb (su)
Evidential Auxiliary

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

1. They say he/she/it went through with it.; They say he/she/it carried it out.; They say he/she/it followed through.

Past/Perfective
Hearsay Evidence