口头禅 (俗语/常用语) 的定义：

"口头禅"是指某人常常在言语中不自觉重复使用的一些词语或短语，通常反映了个人的语言习惯。它可以是无意识的，通常在对话中反复出现。

英语翻译：

Catchphrase

Motto

Slogan

口头禅的音标：

Catchphrase: /ˈkætʃˌfreɪz/

Motto: /ˈmɒtəʊ/ (英式发音) 或 /ˈmɑːtoʊ/ (美式发音)

Slogan: /ˈsləʊɡən/ (英式发音) 或 /ˈsloʊɡən/ (美式发音)

口头禅的用法：

口头禅通常指在某个特定的文化或社交圈中流行的短语或词语。人们在日常对话中不经意地重复它，尤其是在情绪化的表达中。

例句 (10句)：

"That's what she said" is a popular catchphrase in some social groups.

The politician’s motto was “Change for the better.”

His favorite slogan, “Live and let live,” reflects his easygoing philosophy.

In the movie, the main character uses a catchphrase every time something goes wrong.

My friend always ends his stories with the catchphrase, “And that’s how it all went down.”

"Just do it" became a globally recognized slogan for Nike.

People often adopt a catchphrase to feel like they belong to a group.

The company’s motto “Quality first” is printed on all their products.

She didn’t have a catchphrase, but she repeated “You know” in every conversation.

The CEO’s catchphrase “We’re all in this together” motivated the team during tough times.

短语搭配：

Catchphrase: popular catchphrase, common catchphrase, iconic catchphrase

Motto: personal motto, family motto, life motto

Slogan: advertising slogan, political slogan, catchy slogan