Example
qí shí其实，shū miàn yǔ书面语wǒ我gǎo搞de得xiāng dāng相当hǎo好，dàn shì但是kǒu yǔ口语zhōng中，wǒ我jīng cháng经常huì会jì记bù不qǐ lai起来mǒu某gè个zì字de的yīn diào音调。
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.