Spoken language; expressions and usages typical of speech as opposed to written or literary language.
口頭語では短縮や省略が多く見られる。
Spoken language often features contractions and omissions.
面接ではあまり口頭語を使わない方がよいことが多い。
It's often better not to use too much spoken colloquial language in interviews.
口頭語と書き言葉では語彙や文法の使われ方が違う場合がある。
Vocabulary and grammar may be used differently in spoken versus written language.