[6][7] Zhu auditioned while studying in university and landed a lead role as Tung-hao, a high school basketball player competing with his half-brother on a rival team played by Fandy Fan, in the 2019 sports film We Are Champions [zh].

[10][11] The same year, he was cast as Pi Tse, a tuxedo tailor, in the fantasy series The Magician on the Skywalk [zh],[12] and credited his performance as drawing inspiration from Tony Leung Chiu-wai's character in the 1990 film Days of Being Wild.

[20] In 2022, Zhu received his breakout role in the crime mystery film Bad Education as Chang, a high school graduate who becomes entangled with a gang boss alongside his two friends played by Kent Tsai and Edison Song.

[21] John Berra of Screen Daily noted that despite being a fresh-faced lead, Zhu acquitted himself well with his "ringleader" character traits, and lauded the collective strength of the trio's performance.

[22] Hai Nan, writing for The News Lens, praised Zhu's performance in the final scenes of the film, which maintained the momentum of the entire "bad education" narrative.