Unfortunately I never had one to give them. Not until now.

很不幸，我没有这样一个东西给他们，直到现在。

youdao

Later I knew him more, but not until now when I am sorting his compositions have I truly understand his philosophy of life and the burden he had undertaken.

我不理解他，不完全理解他。后来逐渐有了些理解，但是，真正懂得他的为人，懂得他一生承受的重压，是在整理编选他遗稿的现在。

youdao

I've never believed. Not in heaven or hell or God or Satan until now.

我以前一直都不信。直到现在我才相信有天堂、地狱、上帝和撒旦。

《柯林斯英汉双解大词典》

But researchers say they did not have much scientific evidence of that -- until now.

VOA: special.2009.03.18

Now it's not until the fourth stanza of the prelude that we can fully understand the magnitude of the strange anxieties here.

直到序曲的第四段,我们才能完全明白这种奇怪焦虑的严重性。

耶鲁公开课 - 弥尔顿课程节选

And now, you're not the driver, you really feel helpless until you notice standing next to you, leaning over the bridge is a very fat man.

但你不是电车司机，你真的爱莫能助,直到你发现，在你旁边，靠着桥站着的,是个超级大胖子。

耶鲁公开课 - 公正课程节选

The Americans have used unmanned aircraft to target, or attempt to target, their enemies in Afghanistan, but not until now in the Arab world.

ECONOMIST: Yemen and the war on terrorism

The Jewish state had not until now officially acknowledged the attack.

NPR: Syrian TV Airs Purported Images Of Israel Strike

Intel never was, at least not until now.

FORBES: Intel CEO Fall Signals Move To ARM, Closer Ties With Apple