"gradually retreat" — Kollokationen-Wörterbuch Englisch

gradually retreat Kollokation
Automatische Übersetzung (wir garantieren seine Korrektheit nicht): stopniowo wycofanie się
  1. retreat Verb + gradually Adverb
    Schwache Kollokation

    Then again those louder sounds gradually retreated into distance, and the shouting voice made itself heard as the more audible sound of the two.