What does it mean to know that there are tigers in the mountains?

The literal meaning of "knowing that there are tigers in the mountain is biased towards the tiger mountain" is: knowing that there are tigers in the mountain or walking into the mountain.

Knowing that there are tigers in the mountains, the original intention is: I know it is difficult to do so, but I still won't give up easily. Describe people who are brave, not afraid of difficulties, have perseverance and determination to forge ahead.

In the 23rd episode of Water Margin, Song Wu visited his younger brother through Jingyanggang, drank wine and stumbled forward. He saw a tree that said, "Recently, tigers in Jingyanggang hurt people, but there were businessmen in the past. You should team up to cross the gang. Please don't make mistakes. "

Song Wu thought the store was bluffing, so he kept on walking. When the sun was about to set, Song Wu came to a ruined temple and saw a government notice posted at the door of the temple. After reading it, Song Wu realized that there really was a tiger on the mountain. If he returns to the hotel later, he is afraid of being laughed at, so he moves on. This is "knowing that there are tigers in the mountains, preferring to walk in the mountains", and the description here highlights Song Wu's bravery.