pron (infml 口) one 人; 事物
*That's a good 'un! eg a good photograph, joke, excuse. 那个可真好! （如照片、玩笑、藉口等）
* He went fishing and caught a big 'un. 他去钓鱼, 钓到一条大的.
pron BrE spoken
good 'un/bad 'un/little 'un etc
a short form of 'one', used to say that someone or something is good, bad etc. Teachers and careful speakers of English do not use this expression
He's a bad 'un.
I ought to collect the little 'uns (=young children) from school.