鼎力相助 lend a helping hand
Explanation
鼎力：大力；相助：帮助，支持。大力支持帮助。一般用于请人帮助时的客气话。
鼎力 means great effort; 相助 means help, support. It describes strong support and is often used politely when asking for help.
Origin Story
话说唐朝时期，有一位名叫李白的诗仙，他仗义疏财，广交朋友。一日，一位好友遭遇了强盗袭击，家财被洗劫一空，并且身受重伤。李白闻讯后，立即赶往好友家中，毫不犹豫地拿出自己全部积蓄，并且四处奔走，四处求医问药，最终帮助好友渡过了难关。好友非常感激，对李白表示深深的谢意，并感叹道：‘你真是鼎力相助，才能让我起死回生。’从此，鼎力相助的故事便在民间广为流传，成为了人们互相帮助、互相扶持的象征。
In the Tang Dynasty, there was a famous poet named Li Bai, known for his generosity and many friends. One day, a friend was attacked by bandits, his house was robbed, and he was seriously injured. Upon hearing the news, Li Bai immediately rushed to his friend's house, unhesitatingly gave him all his savings, and ran around seeking medical help. He eventually helped his friend overcome the crisis. The friend was very grateful, expressing his deep gratitude to Li Bai and exclaiming: 'You truly helped me with all your might, enabling me to escape death.' From then on, the story of Li Bai’s assistance has been widely circulated among the people and has become a symbol of mutual help and support.
Usage
用于赞扬他人大力相助的行为，表达感谢之情。
Used to praise someone for their strong support and express gratitude.
Examples
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危急时刻，朋友们鼎力相助，终于渡过了难关。
wēijí shíkè, péngyoumen dǐnglì xiāngzhù, zhōngyú dùguòle nánguān
At the critical moment, friends helped with all their might, and finally overcame the difficulties.
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面对困难，他总是鼎力相助，令人感动。
miàn duì kùnnan, tā zǒngshì dǐnglì xiāngzhù, lìng rén gǎndòng
He always helps others with all his might, which is touching.