HSK10+
bǎizhànbùdài
to come unscathed through a hundred battles ; to win every fight
百战不殆 (百戰不殆)
to come unscathed through a hundred battles (idiom, from Sunzi's "The Art of War" 孫子兵法|孙子兵法[SūnzǐBīngfǎ]); to win every fight
CC-CEDICT