| 短语 | keep mum |
| 释义 | keep mum informalto not tell anyone about a secret别声张，要保密 keep mum informal remain silent, especially so as not to reveal a secret 〈非正式〉（尤指为保密）保持沉默, 守口如瓶： he was keeping mum about a possible move to West Ham. 他对可能转会西哈姆（联队）一事保持沉默。 keep mum(informal)to say nothing about sth; to stay quiet缄口不言；保持沉默He kept mum about what he'd seen.他对他所看到的只字不说。 |
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