a person whose job involves designing and building engines, machines, roads, bridges, etc. 工程师；设计师➡ see note at profession
a person who is trained to repair machines and electrical equipment 技师◆They're sending an engineer to fix the phone. 他们正要派一位技师来修理电话。
a person whose job is to control and repair engines, especially on a ship or an aircraft （船上的）轮机手；（飞机上的）机械师◆a flight engineer 空勤机械师◆the chief engineer on a cruise liner 游轮的轮机长
automotive engineer chemical engineer at chemical engineering civil engineer product engineer project engineer re-engineer sales engineer software engineer