wǔ xiá xiǎo shuō zhōng, qīng gōng gāo shǒu kě yǐ fēi yán zǒu bì, lái qù wú zōng

武侠小说中，轻功高手可以飞檐走壁，来去无踪。

In martial arts novels, masters of agile movement can run across rooftops and walk on walls, leaving no trace.