Keep your powder dry意思

"Keep your powder dry" is an English phrase that has its origins in military history, particularly in the era of muzzle-loading firearms. The phrase was used as a cautionary reminder to soldiers to keep the black powder used in their firearms dry, as moisture could render the powder useless and thus the weapon inoperable.

The full expression is often attributed to Oliver Cromwell, the Lord Protector of the Commonwealth of England, Scotland, and Ireland, who is said to have written it in a letter to the General of the Army in 1650. The letter was supposedly in preparation for the Battle of Dunbar, where Cromwell advised the General to "put your trust in God, my boys, and keep your powder dry."

The phrase has since taken on a broader meaning, symbolizing the importance of being prepared for any contingency or emergency. It can be used as a general warning to be ready for any eventuality, especially in times of crisis or conflict.

In modern usage, "keep your powder dry" might be employed in a variety of contexts to encourage people to be prepared for the unexpected, whether it's in the context of business, personal finance, or any other situation where being ready for unforeseen circumstances is important.