| 单词 | be on firm ground |
| 释义 | be sure of one's facts; be secure in one's position, esp in a discussion 对事实确信无疑; 立场坚定（尤指在讨论中）. a firm `hand strong discipline or control 严明的纪律; 牢固控制: That boy needs a firm hand to help him grow up. 那个男孩需要严加管教才能有所长进. have, etc a firm/tight hold on sth => hold2. |
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