胜败乃兵家常事
shèng​bài​nǎi​bīng​jiā​cháng​shì

victory and defeat are common for soldiers

  1. 胜败 勝敗 shèng​bài
    victory or defeat
    victory and failure; the outcome or result of a contest
  2. 乃 nǎi
    to be
    (literary) to be; refers to something being truly or certainly the case
  3. 兵家 bīng​jiā
    military expert
    A military strategist, commander, soldier, or someone expert in the art of war
  4. 常事 cháng​shì noun
    common happening
    ordinary matters; routine; an often repeated incident or event