vi (1)(公鸡)啼鸣((of a cock)make a high loud cry，esp at dawn)[I]：The rooster/cock～s at daybreak. 雄鸡在破晓时啼鸣。

(2)(婴儿)咯咯地笑((of a baby) make wordless sounds of happiness or pleasure)[I]：The baby kicked and～ed.婴儿蹬着小腿咯咯地笑。The baby～ed with pleasure/happiness when its mother picked it up.妈妈抱起宝宝，宝宝咯咯地乐了。

(3)自鸣得意，幸灾乐祸(speak loudly;boast)[I，I+prep(over/about)](derog)：I wish he would stop～ing about his new promotion/the examination results/how well he has done.我真希望他不要为再次提升/考得好/干得很不错而自鸣得意。stop～ing over one's rivals/a defeated enemy停止向对手/败敌夸耀胜利;～over one's rivals' failure/sb's misfortune因对手的失败/某人的不幸而幸灾乐祸;〖同〗boast;

n (1)(公鸡)啼鸣声(high loud cry of a cock)[U，a/the～]：I woke up at cock-～.我鸡鸣时醒来。

(2)(婴儿)咯咯笑声(loud wordless sound of pleasure or happiness as made by babies)[U，a/the～]