He was the editor of the pro-Kuomintang newspaper Truth Daily and elected member of the Urban Council of Hong Kong.
Under his editorship, he hired Ni Kuang as editor, who went on to become a renowned novelist.
During the 1967 Leftist riots, he vocally opposed the pro-Communists and was named on the "dead list" by the rioters among Senior Member of the Legislative Council and member of the Executive Council Kan Yuet-keung, Ming Pao chairman Louis Cha and chairman of the Federation of Hong Kong Industries Chung Sze-yuen after Lam Bun, a Commercial Radio talk show host who condemned the leftists was killed by the rioters.
[1] In 1969, Luk became the founding president of the Hong Kong Chinese Press Association.
Luk had notably campaigned for free democratic elections for the Legislative Council.