Focus on the pronunciation of harm
English definition of “harm”
/hɑrm/ n [U]
› physical or other injury or damage: Missing a meal once in a while won’t do you any harm. Fortunately, she didn’t come to any harm when the car skidded. Maybe Jim can help you – there’s no harm in asking (= no one will be annoyed and you might benefit). harm
/hɑrm/ v [T] › The tornado blew out the windows of a nearby school, but none of the children were harmed. harmful
/ˈhɑrm·fəl/ adj › This group of chemicals is known to be harmful to the environment.