平时多流汗，战时少流血。

Losing more sweat in peacetime (training, etc.) means shedding less blood in war.

《新英汉大辞典》

即使在和平时期，欧洲任一国家的军费开支，也几乎占据了其预算的一半，在战时，更是达到了80%。

Even in peacetime, military expenditures take up almost half of the budget of any European state, and in times of war, eighty percent.

youdao

所以，冷战时期的武器技术转用于和平时期，我们不必大惊小怪。

So it should be no surprise that Cold War weapons technology can be repurposed for peacetime use.

youdao

What is naturally right what is right by nature in peace time will not be the same as what is naturally right or right by nature in times of war.

太平时的自然正当,天生的正当将非常不同于,战时的自然正当与天生的正当,正常情势的正当。

耶鲁公开课 - 政治哲学导论课程节选