The hidden enemies are more deceiving than the overt ones, so they are more dangerous.

隐蔽的敌人比公开的敌人具有更大的欺骗性，因而具有更大的危险性。

youdao

The hidden enemies are more deceiving than the overt ones, so they are more dangerous.

隐蔽的敌人比公开的敌人具有更大的欺骗性，因而具有更大的危险性。

youdao