Wéixīnpài yǔ shǒujiùpài zhī jiān de dòuzhēng shífēn jīliè.
The struggle between the reformists and the conservatives was extremely fierce.
Tips
history
Most often refers to the late-Qing reformers around 康有为 (Kāng Yǒuwéi, 'Kang Youwei') and 梁启超 (Liáng Qǐchāo, 'Liang Qichao') who pushed for the 1898 戊戌变法 ('Hundred Days' Reform') under the Guangxu Emperor.
usage
Contrasts with 守旧派 (shǒujiùpài, 'old-guard / conservative faction'). Both are standard textbook labels in modern Chinese history.