keep one's powder dry

短语

做好准备

词形变化

keeping one's powder dry keeps one's powder dry 三单 keeps one's powder dry kept one's powder dry keeping one's powder dry 现在分词 kept one's powder dry 过去式 kept one's powder dry 过去分词

别名

keep the powder dry

释义与例句

v.
  1. 1.

    To hold back on action until a future time; to save one's resources in case of emergency.

词源

From the maxim “trust in God and keep your powder dry”, attributed to English statesman Oliver Cromwell; in the days of muskets, soldiers needed to keep their bags of gunpowder dry so they could load their guns at short notice.

来源：wiktionary