to come first in triennial palace examinations (idiom, refers to the carved stone turtle head in front of the imperial palace, next to which the most successful candidate in the imperial examinations was entitled to stand)
to be the champion
to be the very best in any field
Definitions (粵典–words.hk)
動詞
率先領先,拋離嗮佢啲對手 to come out first; to be at the leading position by a considerable margin.
阿明佢喺今次賽跑 入面獨佔鰲頭,拋離第二名嗰個人成50米。
阿明佢喺今次赛跑 入面独占鳌头,抛离第二名𠮶个人成50米。
aa3 ming4 keoi5 hai2 gam1 ci3 coi3 paau2 jap6 min6 duk6 zim3 ngou4 tau4, paau1 lei4 dai6 ji6 ming4 go2 go3 jan4 seng4 mm5 sap6 mai5. A-ming came up dead first in this race. He led by nearly 50 meters.