en_obs-tn/content/45/04.md

covered their ears

This was a symbolic action to show that they did not want to hear what Stephen said. This could also be translated as, “They put their hands over their ears.” (See: rc://en/ta/man/translate/translate-symaction)

yelled loudly

They were yelling in anger. Translate this in a way that communicates that they were very upset.