We must protect them.

我们必须保护他们。

youdao

We must protect these endangered animals before they become extinct.

在这些濒危动物灭绝之前，我们必须保护它们。

youdao

We must protect our parks and gardens and find more viable ways to ease traffic congestion in our cities.

我们必须保护我们的公园和花园，找到更可行的方法来缓解我们城市的交通堵塞。

youdao

We must protect them from violence, whatever its nature.

VOA: standard.2009.06.15

"We must protect national unity, peace and tranquillity of our country at any costs, " he added.

BBC: Tanzania church attack: Saudis held for 'act of terror'

In something of a cult classic ad he shouts the tag line, "We must protect this house!"

FORBES: Magazine Article

"What we must protect is the civilian infrastructure, such as hospitals, power stations and water plants, " he said.

BBC: Instability plagues Baghdad