score off
1．cancel by drawing a line through 划去
Three of the names on the list had been scored off．名单上有3个名字被划掉了。
These words have been scored off．这些词被划掉了。
2．make oneself appear clever by making sb．else appear stupid 羞辱；使丢脸；驳倒；在辩论中击败（某人）
She likes to score off people when she can．一有可能她就想胜过别人。
I hate conversations where people try to score off each other．我讨厌人们那种彼此都想驳倒对方的谈话。