Only hurry, for if you wait another second, I'll be dead and gone!

快点，因为如果你再等一秒钟，我就没命了！

youdao

I'll give her what for if she does that again.

她若再这样做，看我怎么收拾她。

《牛津词典》

We are as dependent on our frying pans as sheep are on their internal fellow travellers, for if you eat nothing but raw food you will starve to death.

我们依赖于我们的煎锅就像绵羊依赖它们体内的寄生虫一样，如果你只吃生食，你就会饿死。

youdao

For if McClellan discovered how few men were left behind, he could smash through easily and capture the city.

VOA: special.2009.09.17

For if such holy Song / enwrap our fancy long," then we'll mistakenly convince ourselves that time could actually run backwards and that we've been returned to the Golden Age, the very first age of human history according to classical legend.

如果这神圣的天籁，永远包围我们想象的心怀“,然后我们就会错误的说服我们自己,时间实际上就会倒转,我们就会到达黄金般的国度，依照古典的传说就是人类最久远的历史。

耶鲁公开课 - 弥尔顿课程节选

or like, for, if I have like anything I want to learn in my professional life or whatever, it's really easily available.

或者，如果我在以后职业上有什么要学，也可以在这里很容易找到。

开放式的课程？ - SpeakingMax英语口语达人

For if the operation is small, dual duties may be the way of life.

FORBES: Business Aviators - Is that all they are, or should be?

For if the Irish rejected the pact the tremors would be felt across Europe.

BBC: Europe's days of anxiety

For if real wages rise we expect services to rise in price in relation to commodities.

FORBES: Proof That Real Wages Are Rising: Baumol's Cost Disease