如履平地 like walking on flat ground
Explanation
比喻事情进展顺利，毫无困难。
It means that things are proceeding smoothly without any difficulties.
Origin Story
话说唐朝时期，有个叫小鱼的女孩，自幼聪明伶俐，尤其擅长水上活动。一天，她与同伴们在湖上划船，湖面波光粼粼，微风拂面，小鱼熟练地驾驭着船只，在水面上灵活穿梭。同伴们都惊叹她的技艺高超，小鱼笑着说："这对我来说，如同在平地上行走一般，没有什么难度。"她的身手矫健，宛如一只轻盈的燕子，在水面上自由自在地穿梭，让人叹为观止。后来，小鱼的故事传遍了整个村庄，人们都称赞她的水性极好，如履平地，形容事情的进展非常顺利，没有任何困难。
In the Tang Dynasty, there was a girl named Xiaoyu who was intelligent and clever from a young age, especially adept at water activities. One day, she and her companions were boating on a lake. The lake surface glittered, and a gentle breeze blew. Xiaoyu skillfully steered the boat, moving nimbly on the water's surface. Her companions marveled at her superb skill, and Xiaoyu smiled and said, "For me, it's like walking on flat ground, it's nothing difficult." Her movements were graceful and agile, like a light swallow, moving freely on the water, captivating everyone. Later, Xiaoyu's story spread throughout the village, and people praised her excellent swimming ability, saying that she moved like she was walking on flat ground, describing something proceeding very smoothly and without difficulty.
Usage
多用于形容事情进展顺利，没有阻碍。
Often used to describe things proceeding smoothly without obstacles.
Examples
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他学习刻苦认真，遇到的难题都能迎刃而解，真是如履平地。
tā xuéxí kèkǔ rènzhēn, yùdào de nántí dōu néng yíngrèn jiě, zhēnshi rú lǚ píngdì.
He studied diligently and earnestly, and was able to solve any problem easily, like walking on flat ground.
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这次的谈判，在大家的共同努力下，进展顺利，如履平地。
zhè cì de tánpàn, zài dàjiā de gòngtóng nǔlì xià, jìnzǎn shùnlì, rú lǚ píngdì.
This negotiation, with the joint efforts of everyone, has proceeded smoothly, like walking on flat ground.
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凭借多年的经验，他处理这类问题已如履平地。
píngjié duōnián de jīngyàn, tā chǔlǐ zhè lèi wèntí yǐ rú lǚ píngdì
With years of experience, he handled these problems as if walking on flat ground.