不厌其烦 not tired of
Explanation
形容不嫌烦琐，十分耐心地去做某事。
Describes someone who is not tired of doing something and is very patient.
Origin Story
在一个偏僻的小村庄里，住着一位名叫李大伯的老人，他以乐于助人和耐心闻名。村里人有事都喜欢找他帮忙，因为李大伯总是不厌其烦地帮助大家。一天，一个年轻的姑娘找到李大伯，她想学习编织，但手笨，总是学不会。李大伯并没有嫌她笨，反而耐心地一遍又一遍地教她，直到她学会为止。就这样，李大伯帮助了许多村民，他用自己的耐心和爱心，温暖了整个村庄。
In a remote village, there lived an old man named Li Da Bo who was known for his willingness to help others and his patience. Villagers often came to him for help because Li Da Bo always helped them patiently. One day, a young woman came to Li Da Bo. She wanted to learn weaving but was clumsy and couldn't learn. Li Da Bo didn't think she was stupid, instead, he patiently taught her over and over again until she learned. In this way, Li Da Bo helped many villagers, and with his patience and love, he warmed the whole village.
Usage
该成语常用在赞扬某人做事有耐心，不厌烦。
This idiom is commonly used to praise someone for being patient and not getting tired of something.
Examples
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老师对我们～, 不厌其烦地讲解
lao shi dui wo men bu yan qi fan de jiang jie
The teacher is patient with us and explains it over and over again.
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她为了孩子～, 每天都耐心教育
ta wei le hai zi bu yan qi fan, mei tian dou nai xin jiao yu
She is patient with her children and teaches them every day.