step off 1. 齐步前进 Now when you step off, take a full pace of thirty inches. 你们在齐步走时，走30英寸的全步。 2. 用步子测量 step off the edge of the field 用步子测量田地的边长 step off 50 yards 步测出50码距离 3. (从…上)走下来 They were arrested as they stepped off an American Airlines flight from Chicago. 他们从芝加哥飞来的美国航空公司班机上下来时被逮捕了。 4. 〈美俚〉结婚 5. 〈美俚〉死掉