“交好运”的英语可以翻译为：turn up trumps ...

很难说，我也许会交好运呢。You never know, I might get lucky.杰克刚买了一辆新车, 他一定交好运了.Jack has just bought another new car; he must be very well off.他们假若能继续交好运, 还能获得冠军.If their luck holds, they could still win the championship....