1) knowing each other
知已知彼
4) Learning of Others and Oneself
知彼知己
1.
On the Thought of "Learning of Others and Oneself" in Second Language Teaching;
第二语言教学中的“知彼知己”
5) Your must know both your opponent and yourself.
要知己知彼。
6) Knowing others by knowing youself
以我知彼
补充资料：知彼知己
1.对敌我双方的优劣短长均能透彻了解。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条