| 词汇 | 以防万一 |
| 释义 | 以防万一 yi fang wan yi ㄧˇ ㄈㄤˊ ㄨㄢˋ ㄧ 1.to be ready for any eventuality; to be prepared for all contingencies/ emergencies; to be in case; to be on the safe side; to prepare for an emergency; to provide against accident |
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