Unit Four Text A Detailed Study 1. contact: n. communication; an instance of meeting e.g. He's not had any contact with his son for months There is very little contact between the two tribes Ive lost contact with most of my school friends v. Are you still in contact with your old friends? I will contact you by telephone on Friday be in contact with sb make/ have contact with sb be out of lose contact with sb confident a e.g. He's confident that he will pass the exam He's confident of passing the exam confidential a.机密的 confidence n.信 be confident of sth /doing sth be confident in sb have confidence in have confidence to do sth. By LindaU 7Unit Four Text A By Linda Yu 7 Detailed Study 1. contact: n. communication; an instance of meeting e.g. He’s not had any contact with his son for months. There is very little contact between the two tribes. I’ve lost contact with most of my school friends. v. Are you still in contact with your old friends? I will contact you by telephone on Friday be in contact with sb. make / have contact with sb. be out of / lose contact with sb 2. confident a. e.g. He’s confident that he will pass the exam. He’s confident of passing the exam. confidential a. 机密的 confidence n. 信心 be confident of sth. / doing sth. be confident in sb. have confidence in have confidence to do sth