飞檐走壁 traverse roofs and walls
Explanation
形容轻功极好，能像在平地上一样飞檐走壁。
To describe someone with extraordinary light martial arts skills, capable of moving along house roofs and walls as if on level ground.
Origin Story
话说在古代的江湖上，有一位武林高手名叫李寻欢。他轻功了得，飞檐走壁对他来说如同儿戏。一日，他奉师命前往雪山寻找失落的武林秘籍。雪山环境险峻，山路崎岖，常人难以通行。但李寻欢凭借着高超的轻功，如同灵猴一般，在悬崖峭壁间穿梭自如。他时而飞身跃过湍急的河流，时而攀援在陡峭的山岩之上，身轻如燕，速度惊人。最终，他历经千辛万苦，成功地找到了失落的秘籍。江湖上的人们都赞叹李寻欢的武功，并称之为“飞檐走壁的大侠”。
In the world of ancient martial arts, there was a martial arts expert named Li Xunhuan. He was a master of light-body skills, and moving across roofs and walls was child's play to him. One day, he received an order from his master to go to the snowy mountains to search for the lost martial arts secret manual. The snowy mountain environment was dangerous, the mountain roads were rugged, and it was difficult for ordinary people to pass. But Li Xunhuan, with his superb light-body skills, moved like a monkey, freely shuttling between the cliffs and rocks. He sometimes leaped across the turbulent rivers, sometimes climbed on steep rock faces, light as a swallow, and at an astonishing speed. Finally, after countless hardships, he successfully found the lost secret manual. People in the martial arts world admired Li Xunhuan's martial arts and called him "the great hero who moves across roofs and walls".
Usage
用于形容武功高强，身手敏捷的人。
Used to describe someone with strong martial arts skills and agile movements.
Examples
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他身手矫健，飞檐走壁，如履平地。
tā shēnshǒu jiǎojiàn, fēi yán zǒu bì, rú lǚ píngdì.
He is agile, traversing roofs and walls as if walking on flat ground.
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武林高手个个飞檐走壁，身轻如燕。
wǔlín gāoshǒu gègè fēi yán zǒu bì, shēn qīng rú yàn
The masters of martial arts are all able to move freely across roofs and walls, light as swallows.