these 这些；

those 那些；

例句：

I was by myself and these guys suddenly came towards me.

我独自一人时，这些人忽然向我走来。

Those are nice shoes. Whered you get them?

那些鞋子很不错。你在哪儿买的？

"I have faith in these guys," the coach said. "These are good players."

“我相信这些人，”教练说道。“这些都是好球员。”

These are my children.

这些是我的孩子。

These scissors are awfully heavy.

这几把剪刀非常重。

These are the people who are helping us.

这些是正在帮助我们的人。

I like these but not those.

我喜欢这些，而不是那些。

The interests he is most likely to enjoy will be those which enable him to show off himself or his talents.

他最有可能感兴趣的，是那些能让他自我炫耀或卖弄才华的事情。