A lawfully formed contract is protected by law.

依法成立的合同，受法律保护。

youdao

The new pain-relieving drug is protected by patent.

这种新的止痛药受到专利保护。

youdao

Information is protected by sophisticated encryption system.

硬盘上的信息被一套复杂的加密系统保护。

youdao

If he falls, he is protected by the rope connected to the devices and the belayer.

VOA: special.2009.12.09

This is a form of discrimination that is protected explicitly by American law.

这是一种歧视行为，法律明文禁止。

退休很神奇 - SpeakingMax英语口语达人

In the United States, free speech is protected by the Constitution.

VOA: special.2009.10.31

U. government building that is protected by twenty-four-hour surveillance and a secure communications network.

NEWYORKER: Bring Up the Bodies

But, broadly speaking, freedom to practise and preach Islam is protected by the American system.

ECONOMIST: Islam, America and Europe

If you are worried, ask your plan administrator if your pension is protected by the PBGC.

WSJ: Conquering Retirement: Signs Your Pension Plan Is in Trouble