colloquial
adjective
UK/kəˈləʊ.kwi.əl/
US/kəˈloʊ.kwi.əl/
Definitions of colloquial adjective
Relating to language that is informal and typically used in conversation rather than formal writing.
（詞語或表達方式）口語的；非正式的；白話的
The essay used a lot of colloquial expressions.
這篇文章使用了許多口語表達。
This usage is common in colloquial speech but less so in written language.
這種用法在口語中很常見，但在書面語中較少見。
Their conversation was full of slang and colloquial terms.
他們的對話充滿了俚語和口語詞彙。