With hindsight, we'd all do things differently...有了事后的认识，我们都会以不同的方式行事。With hindsight, he was overestimating their desire for peace.事后看来，他高估了他们对和平的渴望。Usually , historical eras are defined by accomplishments analyzed ...
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....