This is the 415th most frequent Chinese word.
敌人
Enemy.
In this sentence, '敌人' refers to an opposing military force that poses a threat.
敌人正在向我们的边界推进。
The enemy is advancing towards our borders.
Here, '敌人' is used metaphorically to describe obstacles being faced.
对于克服这些技术困难，我们把它们视为敌人。
To overcome these technical difficulties, we consider them as enemies.
In this context, '敌人' represents a rival or an opposing participant in a competitive scenario.