中文描述：

激烈是一个形容词，表示情况、行动或反应的强烈程度。在语言中，我们常常使用近义词来表达激烈的含义。这些近义词包括：激烈，剧烈，激动，猛烈，激烈的表现，激烈的反应，激烈的行动等。

激烈可以用来形容一场激烈的比赛或竞争，比如足球比赛或选举。剧烈可以用来形容强烈的自然现象，比如暴风雨或地震。激动可以用来形容情感的强烈，比如兴奋或愤怒。猛烈可以用来形容一场猛烈的攻击或冲击，比如飓风或火灾。激烈的表现、反应、行动等则可以用来形容人们的强烈反应或行为，比如抗议、战斗或斗争。

英语描述：

Intense is an adjective that describes the degree of intensity of a situation, action, or reaction. In language, we often use synonyms to express the meaning of intensity. These synonyms include intense, severe, excited, fierce, intense expression, intense reaction, intense action, and so on.

Intense can be used to describe a fierce competition or competition, such as a football match or election. Severe can be used to describe strong natural phenomena, such as storms or earthquakes. Excited can be used to describe the intensity of emotions, such as excitement or anger. Fierce can be used to describe a fierce attack or impact, such as a hurricane or fire. Intense expressions, reactions, actions, and so on can be used to describe people's intense reactions or behaviors, such as protests, fights, or struggles.