Focus on the pronunciation of casual
English definition of “casual”
/ˈkæʒ·u·əl/ adj (INFORMAL)
› not formal; relaxed in style or manner: We have a small office and I am very casual and wear slacks and sports shirts and things like that. casually
/ˈkæʒ·ə·wə·li/ adv › We were told to dress casually for the walking tour.