1.fall into 分成；掉进，陷入

Can nuclear weapons fall into the wrong hands?
核武器有可能落入坏人之手吗？

The most suspicious arians may even fall into depression.
最忧心忡忡的羊儿们可能甚至陷入消沉。

2.design to 用于设计

We can use design to make a website unique and more memorable.
我们能用设计使一个网站独一无二且更易记住。

Note: marriott has recently changed their design to be more like westin.
注：marriott近期将他们的设计改得更类似于westin的方式。

3.seem to 似乎

Financial markets seem to agree.
金融市场似乎也证实了这一点。

Investors seem to have noticed.
投资者似乎也注意到了。

4.need to 需要做

We need to stop trade protectionism.
我们需要制止贸易保护主义。

Three things need to happen.
我们必须做好三件事。