释义 |
常备不懈常备不懈[cháng bèi bú xiè]1.■keep to the concept of all-time preparedness; be on one's toes all the time; always be on the alert; be always vigilant; be prepared at all times; be ever prepared against war:他们一直处于常备不懈状态以防突然袭击。They were constantly on the alert not to be taken by surprise. |