훈련하다

To move forward in a determined way, especially in battle; to advance.

The branch of a nation's armed forces that conducts aerial warfare; air force.

A signal or sound warning of danger; alarm.

Protective covering worn to defend the body in battle; armor.

The land-based branch of a nation's armed forces; army.

An act of assaulting or launching an offensive against an enemy.

To launch an assault or offensive against an enemy; to attack.

To keep away from or prevent; to avoid, dodge.

A place where a battle is fought; battlefield.

A line separating two countries; border.