ADJ
（球类比赛中）无人防守的，没被注意到的
In a sport such as football, hockey, or basketball, if a player is unmarked, there are no players from the opposing team who are watching them in order to challenge them when they have control of the ball.
例句
Sheringham was unmarked as he met Anderton's free kick and headed in after nine minutes.
9分钟后，谢林汉姆在无人防守的情况下接安德顿开出的任意球头球破门得分。