外敌入侵是指外国或者势力对另一个进行武力侵略或者非法入侵的行为。这种行为通常会给被入侵带来严重的损失，并可能导致战争的爆发。外敌入侵也可以指对某个特定地区或者组织的非法占领和。

How to pronounce: /ˈfeɪərɪn ɪnˈveɪʒən/

Usage: 外敌入侵通常指一国或者一组织对另一个或地区的非法侵略行为，这种行为是违反国际法和道德准则的。

Example sentences:

1. The country is on high alert for potential foreign invasion.

这个正高度惕可能发生的外敌入侵。

2. The government has taken measures to prevent any foreign invasion.

已采取措施防止任何外敌入侵。

3. The country was devastated by the foreign invasion and its people suffered greatly.

这个遭受了外敌入侵，人民遭受了巨大的苦难。

4. The United Nations condemned the foreign invasion and called for immediate withdrawal of troops.

联合国谴责了外敌入侵，并呼吁立即撤。

5. The rebel group launched an attack on the capital city in hopes of overthrowing the government and allowing for foreign invasion.

叛发动了一次袭击，希望，为外敌入侵创造条件。

Synonyms and usage:

1. Aggression (n.) - the act of initiating ilities or invasion; often used in a political context.

Example: The country is preparing for possible aggression from its neighboring country.

2. Incursion (n.) - a sudden invasion or attack, often used to describe a brief and unexpected event.

Example: The small village was caught off guard by the enemy's incursion.

3. Intrusion (n.) - an unwelcome or uninvited interference or invasion, often used in a metaphorical sense.

Example: The company saw the new compe as an intrusion into their market share.

4. Encroachment (n.) - gradual intrusion or invasion, often used to describe a slow and subtle process.

Example: The city's expansion has led to encroachment on nearby farmlands.

5. Violation (n.) - an act that disregards laws, rules, or rights, often used in a legal context.

Example: The foreign invasion was seen as a violation of international law.

Editor's summary:

外敌入侵是指一国或者势力对另一个或地区的非法侵略行为，这种行为通常会带来严重的损失并可能导致战争。同义词包括aggression、incursion、intrusion、encroachment和violation。在使用时要注意上下文和语境。