To be constantly on alert and prepared for battle; to live in a state of extreme vigilance and readiness, often implying hard work or difficult circumstances.
为了攻克技术难关，研究团队的成员们枕戈寝甲，夜以继日地进行实验和分析。
To overcome technical challenges, members of the research team worked tirelessly, conducting experiments and analysis day and night.
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