不可开交（bù kě kāi jiāo）是一个成语，指事情或情况非常激烈、激动，无法平静下来。通常用来形容争吵、争斗、纠纷等激烈的场面或情况。也可以用来形容心情非常激动、无法平静。

How to pronounce: bù kě kāi jiāo

Usage:

1. 用于形容争吵、争斗、纠纷等激烈的场面或情况。

2. 也可以用来形容心情非常激动、无法平静。

Example sentences:

1. 他们之间的争论已经持续了一个小时，气氛十分不可开交。

The argument between them has been going on for an hour, and the atmosphere is very intense.

2. 那次上，双方就合作事宜发生了激烈的争执，室里一度变得不可开交。

At that meeting, representatives from both sides had a heated argument over the cooperation matters, and the conference room became tense.

3. 她听到这个消息后，心情变得十分不可开交，无法平静下来。

After hearing the news, she became extremely agitated and couldn't calm down.

4. 这部电影的结局非常惊人，让观众们感到不可开交。

The ending of this movie is very shocking, leaving the audience in a state of agitation.

5. 这场比赛的最后几分钟，双方队员展开了激烈的厮杀，场面十分不可开交。

In the last few minutes of the game, players from both teams engaged in a fierce battle, making the scene extremely intense.

Synonyms and Usage:

1. 激烈 (jī liè): intense, fierce

Example: 这场辩论非常激烈，双方都不肯退让。

The debate was very intense, and neither side was willing to back down.

2. 紧张 (jǐn zhāng): tense

Example: 随着考试日期的临近，学生们的心情变得越来越紧张。

As the exam date approaches, students become increasingly tense.

3. 动荡 (dòng dàng): turmoil

Example: 这个经历了多年的动荡，民众生活受到了很大影响。

This country has experienced years of political turmoil, greatly affecting people's lives.

Editor's Summary:

不可开交是一个形容词性成语，通常用来形容争吵、争斗、纠纷等激烈的场面或情况。也可以用来形容心情非常激动、无法平静。在写作中可以使用该成语来增强描述的力度，但要注意使用场合和语境。同时，还可以使用其同义词来替换，以避免重复使用。