the year of ox牛年
a herd /team of ox一群牛
have a cow 生气
Don't have a cow! I said I'd take care of the problem and I will.
holy cow!=OMG天呐
Holy cow! That car almost ran into us!
cow bells
until/till the cows come home很长时间
They'll be arguing about this till the cows come home.
They were cowed by threats.害怕,受到惊吓