score out
英 美
"Please erase the formula on the blackboard--it is wrong!"
The article was just too long, so I had to score out twenty words.
文章实在太长了, 所以我只好划掉二十个字.
Don score out anything you have written until you have completed the new solution.
直到你找到新的解决方案后,你再把这些项目划去.