| 例句 |
It's difficult to explain the popularity of this new toy.很难解释为什么这种新玩具这么受欢迎。We are at a loss to explain what is going on.我们很难解释清楚发生了什么。It's hard to explain this apparent change of heart.这种态度的明显转变很难解释。Our traveller's behaviour on the journey is hard to explain.我们的旅客一路上的行为让人很难解释。 |