在 结束以前英语怎么说

"Before the end" 在英文中可以用多种表达方式，如：
Prior to the conclusion: 在结束之前
Example: "I need to finish my report prior to the conclusion of the meeting." (我需要在会议结束之前完成我的报告。)
Before the close: 在结束之前
Example: "I want to make sure I get everything done before the close of business today." (我想确保我今天在商务结束之前完成所有工作。)
Preceding the end: 在结束之前
Example: "I need to finish this project preceding the end of the month." (我需要在本月结束之前完成这个项目。)
另外，"the end" 在英文中也可以用其他表达，如 "the close," "the conclusion," "the finish," 等等。