4. upset: make(sb. worry or feel unhappy (usu. used in the pattern: be upset by/about) Examples: 1) They are terribly upset by the break-up of their parents' marriage. 2) He was upset about the argument he had with his wife 5. ignorant: knowing little or nothing(often used in the phrase: be ignorant of/about) Examples: 1)Some people are ignorant of the facts about global warming.◼ 4. upset: make (sb.) worry or feel unhappy (usu. used in the pattern: be upset by/about) ◼ Examples: 1) They are terribly upset by the break-up of their parents' marriage. ◼ 2) He was upset about the argument he had with his wife. ◼ 5. ignorant: knowing little or nothing (often used in the phrase: be ignorant of/about) ◼ Examples: 1) Some people are ignorant of the facts about global warming