en_tn_lite_do_not_use/act/07/57.md

covered their ears

"put their hands on their ears." They did this to show that they did not want to hear any more of what Stephen said. (See: rc://en/ta/man/jit/translate-symaction)

with one purpose

This phrase translates a word that speaks of people who agree with each other and who work together to accomplish a common purpose.