"confirm one's involvement" — Kollokationen-Wörterbuch Englisch

Automatische Übersetzung (wir garantieren seine Korrektheit nicht): potwierdzać czyjś uczestnictwo
  1. confirm Verb + involvement Substantiv
    Schwache Kollokation

    Richard made some calls to confirm their involvement, and asked if there was a full version of the song, which Williams affirmed.