| 单词 | could have sworn |
| 释义 | could have swornidiom —used to say that one feels definitely sure about something though it appears not to be true I could have sworn that I left my keys on the counter. |
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英语词典包含469781条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。