0 a large, black bird with a loud, unpleasant cry -- 烏鴉
1 When a cock (= an adult male chicken) crows, it makes a very long and loud sharp cry. -- （公雞）啼叫，打鳴
We were woken at dawn by a cock crowing repeatedly. 黎明時，我們被一陣陣的雞啼聲吵醒。
2 to talk in a proud and annoying way about something you have done -- 誇耀；誇口，自誇
