树大根深 deep-rooted
Explanation
比喻势力强大，根基牢固。
It refers to a power that is strong and firmly rooted.
Origin Story
很久以前，在一个山清水秀的小村庄里，住着一户姓李的人家。他们世世代代在这片土地上辛勤劳作，积攒了丰厚的家业，也赢得了村民的尊敬。李家的老宅，经历了数百年的风雨洗礼，依然巍峨挺拔，如同古老的巨树，树大根深，扎根于这片土地。村里来了许多外来户，有的富甲一方，有的势力庞大，都想挑战李家的地位。但是，李家凭借着深厚的家底和良好的口碑，始终屹立不倒。他们乐善好施，为村里修建了水利设施，帮助贫困村民渡过难关，赢得了村民们的一致拥护。即使遭遇了天灾人祸，李家也凭借着深厚的根基，一次次化险为夷，最终成为村里最值得信赖的家族。他们的故事，一代代流传下去，成为村里人津津乐道的美谈，也成为后人学习的榜样。
Long ago, in a beautiful village, there lived a family surnamed Li. For generations, they had toiled diligently on this land, accumulating a considerable fortune and earning the respect of the villagers. The Li family's old house, having weathered hundreds of years of storms, still stood tall and majestic, like an ancient giant tree, its roots deep in the earth. Many outsiders came to the village, some wealthy, some powerful, all trying to challenge the Li family's position. But the Li family, with their strong foundation and good reputation, remained steadfast. They were charitable, building irrigation systems for the village and helping poor villagers overcome hardships, earning the unanimous support of the villagers. Even when faced with natural disasters and calamities, the Li family, thanks to their deep roots, managed to overcome dangers time and again, eventually becoming the most trusted family in the village. Their story was passed down from generation to generation, becoming a popular anecdote in the village and a role model for future generations.
Usage
主要用于形容势力强大，根基牢固的事物或人。
Mainly used to describe powerful and firmly rooted things or people.
Examples
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这家公司树大根深，在业界的影响力不容小觑。
zhè jiā gōngsī shù dà gēn shēn, zài yèjiè de yǐngxiǎnglì bùróng xiǎoqù
This company is deeply rooted and its influence in the industry is not to be underestimated.
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经过多年的发展，他的家族树大根深，势力遍布各地。
jīngguò duōnián de fāzhǎn, tā de jiāzú shù dà gēn shēn, shìlì biànbù gèdì
After years of development, his family is deeply rooted, and its power extends to all parts of the country.