| 词组 | back someone up on something |
| 释义 | back someone up on somethingv. phr.To corroborate; to bear witness to the truth of what someone has said. 证实；就某事为某人作证。◆ "I was nowhere near the scene of the crime," Joe said. "You must back me upon that!"“我当时根本就不在犯罪现场，”乔说。“你必须就这一点为我作证！” |
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英语词组固定搭配大全包含9718条英汉双解词组，基本涵盖了全部常用英文词组、短语的翻译及用法，是英语学习的有利工具。