ㄅㄞˇㄓㄢˋㄅㄨˊㄉㄞˋbǎizhàn‑búdài

百战不殆
bǎizhàn‑bùdàiㄅㄞˇ ㄓㄢˋ ㄅㄨˋ ㄉㄞˋ
  1. 作戰失敗 知己知彼百戰不殆」。

to come unscathed through a hundred battles (idiom, from Sunzi's "The Art of War" 孫子兵法[Sun1 zi3 Bing1 fa3])​; to win every fight