protect.from doing sth.使……免于(保护)
protect...against doing 防御
prevent … from doing sth.阻止(防御)...做...
【联系】stop sb from doing 阻止...做...
1.I must protect my own interests.
我必须保护自己的利益。
2.Such a thin coat can't protect the cold in such mountain area.
这么薄的外衣在这个山区是无法御寒的。
3.Women and children's rights are protected by law in our country.
在我国,妇女和儿童的权利受法律保护。