| 词汇 | 常备不懈 |
| 释义 | 常备不懈 辨形“常”，不能写作“长”。 辨形“常”，不能写作“长”。 法文être toujours sur ses gardesêtre toujours en état d'alerte 俄文всегдá быть начеку 要提高警惕，加强战备，树立常备不懈的思想。 反义词 For a half century, America defended our own freedom by standing watch on distant borders. Ideally, the U. N. should have small, elite, standing rapid-development force… trained and ready to go at once to a trouble spot that the Security Council has decided to become involved in. They were constantly on the alert not to be taken by surprise. |
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