Fan Ruoruo learned how to use a sniper rifle.

Fan Ruoruo had learned how to use a sniper rifle because Wu Zhu had trained her to be a female sniper. Wu Zhu had taught her how to use a sniper rifle, and Fan Xian knew nothing about it. Fan Ruoruo had used a sniper rifle in the operation to assassinate the Qing Emperor with Fan Xian and successfully injured the Qing Emperor. Her sniper rifle skills played an important role in the story. The specific time and process of learning the sniper rifle was not mentioned.

Fan Ruoruo had learned how to use a sniper rifle because Wu Zhu had trained her to be a female sniper. Wu Zhu had taught her how to use a sniper rifle, and Fan Xian knew nothing about it. Fan Ruoruo had used a sniper rifle in the operation to assassinate the Qing Emperor with Fan Xian and successfully injured the Qing Emperor. Her sniper rifle skills played an important role in the story. The specific time and process of learning the sniper rifle was not explicitly mentioned.

In Joy of Life, Fan Ruoruo used the sniper rifle Barrett M82A1 to shoot the Qing Emperor multiple times, causing him to be seriously injured. Her sniping skills were accurate, and she could hit her target with almost one shot. Fan Ruoruo's use of the sniper rifle in the play played an important role in helping Fan Xian and the others complete their plan to assassinate the Qing Emperor. Fan Ruoruo's sniper skills made her an outstanding sniper, and she was known as the female sniper god. Her use of the sniper rifle had successfully allowed the Qing Emperor to break through his defenses, laying the foundation for Wu Zhu's success. Fan Ruoruo had learned to use the Barrett sniper rifle because Wu Zhu had trained her to be a female sniper. Wu Zhu had taught her how to use the sniper rifle. Fan Ruoruo's sniper rifle played a key role in the play, helping Fan Xian escape the Qing Emperor's pursuit.

Fan Ruoruo probably learned how to use a sniper rifle before the 231st episode of Joy of Life2. In the novel, Fan Ruoruo was trained by Wu Zhu to become a female sniper and learned how to use a sniper rifle. In one battle, she held a sniper rifle and shot at the Qing Emperor, displaying her precise sniping skills. Although the specific learning time was not explicitly mentioned, according to the given search results, Fan Ruoruo had already learned how to use a sniper rifle in the novel.

Fan Ruoruo didn't mention when she learned how to use the sniper rifle. However, Fan Ruoruo had been trained by Wu Zhu to become a female sniper in the novel Joy of Life, and she had mastered how to use a sniper rifle. Fan Ruoruo shot the Qing Emperor with a sniper rifle in a battle. This scene happened in the 231st episode of Joy of Life2. Therefore, Fan Ruoruo must have learned how to use a sniper rifle before this time.

Fan Ruoruo didn't mention when she learned how to use the sniper rifle. Fan Ruoruo had been trained by Wu Zhu to become a female sniper in the novel Joy of Life, and she had mastered the usage of a sniper rifle. Fan Ruoruo shot the Qing Emperor with a sniper rifle in a battle. This scene happened in the 231st episode of Joy of Life2. Therefore, Fan Ruoruo must have learned how to use a sniper rifle before this time.

Fan Ruoruo didn't mention when she learned how to use the sniper rifle. However, according to the contents of document 1, document 3, document 4, document 7, document 9, and document 10, Fan Ruoruo had been trained by Wu Zhu to be a female sniper, and Wu Zhu had taught her how to use a sniper rifle. Fan Ruoruo's use of a sniper rifle in the novel " Celebrating Years " played an important role in helping Fan Xian and the others complete their plan to assassinate the Qing Emperor. Therefore, Fan Ruoruo needed more information about the exact time she learned how to use the sniper rifle.

The time when Fan Ruoruo learned how to use a sniper rifle was not explicitly mentioned in the novel Joy of Life.

The specific time Fan Ruoruo learned to use the sniper rifle was not explicitly mentioned in the given search results. However, according to the contents of document 1, document 2, document 4, document 6, document 7, and document 9, Fan Ruoruo was trained by Wu Zhu to be a female sniper in the novel Joy of Life. Wu Zhu also taught her how to use a sniper rifle. In the novel, Fan Ruoruo used a sniper rifle to shoot the Qing Emperor. This scene happened in the 231st episode of Joy of Life2. Therefore, Fan Ruoruo must have learned how to use a sniper rifle before this time.

Fan Ruoruo did not mention the exact time she learned how to use a sniper rifle in Joy of Life. Therefore, based on the information provided, it was impossible to determine when Fan Ruoruo learned how to use the sniper rifle.