Examples
kǒu yǔ口语bǐ比shū miàn yǔ书面语gèng更tiē jìn贴近shēng huó生活。
口语比书面语更贴近生活。
Spoken language is closer to life than written language.
其实，书面语我搞得相当好，但是口语中，我经常会记不起来某个字的音调。
I'm actually relatively good at written language, but with spoken language I often can't remember the tone on some word.