make a correct assessment of the situation
Advance when you can see it, retreat when you know it. Its pronunciation is Ji à NK à é RJ à n, zh à n á n é RTU à. It means to decide to attack and retreat according to the actual situation.
Source: Han XunYue's "Han Ji · Gao Di Ji": "Zhao Bing goes abroad to fight, advances when he can see, retreats when he is faced with difficulties, and has the heart of looking inside. He has no plan to die." example: the minister also heard that the sage did not stick to things, and that his reason was flexible and his feelings were not inflexible. Shao Bowen, Song Dynasty
make a correct assessment of the situation
like a general wind flow back to snow - liú fēng huí xuě
examine a man 's language and observe his countenance - chá yán guān sè
It's better to see it in person than to hear it - chuán wén bù rú qīn jiàn