"In what was to be Wong's last "beimo" match, he unintentionally blinded his opponent's eye; he then decided to quit "beimo" fighting.Lee Hang Cheong (李恆昌), one of Wong's students, recalled that Wong had insulted his intended opponent (apparently a well-known kung fu instructor) to coerce him to fight, but regretted both instigating the fight and accidentally blinding the other man in one eye.