I'm forever on a diet, since I put on weight easily.

我一直在节食，因为我的体重很容易增加。

《柯林斯英汉双解大词典》

Focus on God's purposes for your life, not your plans, since that's what will last forever.

专注于神对你人生的目的，而不是你的计划，因为惟有他的目的会永远长存。

youdao

You are the most excellent of men and your lips have been anointed with grace, since God has blessed you forever.

你比世人更美，在你嘴里满有恩惠。所以神赐福给你，直到永远。

youdao

Seventy-one bird species have disappeared forever since people first arrived on the Hawaiian Islands one thousand seven hundred years ago.

VOA: special.2009.05.12

Which leads us back to Woody, a Knicks loyalist since forever.

WSJ: Six Weeks Isn't So Long, Jeremy

But this is an industry that sat back and let its distributors do all the work since, forever.

FORBES: Is Riffle a New Kind of Pinterest And Will It Save Books?

QE3 could go on forever since there is no pragmatic sign adding money to the system will revive housing by any considerable measure.

FORBES: The Open-Ended Bernanke QE3 Won't Be Open-Ended For Stock Prices And Commodities