I couldn't resist the temptation to open the letter.

我抵制不住好奇心把信打开了。

《牛津词典》

I had no need to open the letter—I knew what it would say.

我没必要拆开那封信—我知道里面会说些什么。

《牛津词典》

I slowly open the letter to read.

我慢慢展开信纸去读。

youdao

And in July,a number of Central European politicians including Poland's Lech Walesa wrote an open letter to Mr.Obama accusing him of neglecting the region.

VOA: standard.2009.10.22

In an open letter to Mr.Sanha and Mr.Yala before Sunday's vote, the Canadian International Institute of Applied Negotiation and the International Crisis Group called on the losing candidate to "refrain from taking any form of violent actions that could further undermine the fragile stability in the country."

VOA: standard.2009.07.26

For starters, who knows who will open the letter and forge an endorsement?

FORBES: Husband's Unauthorized Withdrawals Land Stockbroker In Hot Water

Glaze happened to open the letter while sitting outside over the Memorial Day weekend, said the firm's founder, Robert Raben.

WSJ: Union: NY mayor threats postmarked Shreveport, La.

That's the same Commission described in the open letter to the Northern Ireland Office - signed by almost all Belfast-unionist elected representatives, including the first minister - as arrogant, incompetent and ignorant, as well as responsible for "monstrous" rulings.

BBC: Politicians criticised over 'slow response' to violence