2gau bāan 夠班 — of a required class, up to the right level, of the right status to challenge someone (wggt); to have the required skill, e.g. to challenge someone (hbd 14, 25).
3gau chyun 夠十 — very arrogant, very "cocky" (gwdl 19, 13).
4gau geuk 夠腳 — [enough feet] enough players (for a game of mahjong).
5gau gēung 夠薑 — [enough ginger] to be brave, to have "guts".