| 短语 | sb / sth is not known to be sth |
| 释义 | sb / sth is not known to be sth or sb / sth has never been known to do sth used to say there is no information that someone or something has particular qualities据说某人/某事物不是某种情况（不会做某事）:•This species is not known to be vicious.据说这一物种并不凶猛。 |
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英语短语词组词典共收录41885条英汉双解短语词组词条，基本涵盖了全部常用短语词组的翻译及用法，是英语学习的有利工具。