胜败乃兵家常事

Explanation: Victory or failure is often encountered troops who fight things. Do not mean victory or defeat occasionally too seriously. 　　Usage: Complex sentence; as object clause; for dissuasive 　　Source: Qing Hong Sheng, "the right bribe Palace of Eternal Youth": "I think winning or losing is standard issue, chicken accidental loss, excusable." 　　Examples: The test failed, but do not restore the heart, ~, sum up experience, adhere to the test continues, will succeed.