知己知彼，百战不殆
know yourself and know your enemy, and you will never be defeated (idiom, from Sunzi's "The Art of War" 孫子兵法|孙子兵法[Sun1 zi3 Bing1 fa3])
Traditional: 知己知彼，百戰不殆
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📖 Additional Information
English Phonetic:
nәu
Detailed Definition:
n. the fact of being aware of information that is known to few people\nv. be cognizant or aware of a fact or a specific piece of information; possess knowledge or information about\nv. know how to do or perform something\nv. be aware of the truth of something; have a belief or faith in something; regard as true beyond any doubt