Eight-character idioms related to war

Being a snake is indestructible, being a snake is Ruohe: a snake: a small snake; Destruction: destruction; Ruohe: what to do. What if the little snake becomes a big snake if you don't kill it? It turns out to be a metaphor for destroying the enemy while he is still young. Later, it generally means that the enemy must be hoed in time.

The abyss drives fish, and the bushes drive birds: abyss: swirling deep water; bush: dense forest. Driving fish into deep pools and driving birds into woods was originally used to describe the tyranny of reactionary rulers, which resulted in people fleeing to other countries. Now it means that sometimes some people practice seclusion. Drive some people who can win over to the other side.