He does not have a single drop of control over his own life.

他一点都不能控制自己生活。

youdao

Now imagine 50 billion smiley faces floating in a single drop of water.

现在想象一下500亿个笑脸漂浮在一滴水中。

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A single drop of blood from an infected patient turns humans mad with rage in "28 Days Later".

在影片《惊变28天》中，单单是受感染病人身上的一滴血就能使人发疯暴怒。

youdao

According to the Potato Processors'Association, sales of French fries have fallen over the past year by 10 percent, the largest single drop in the last fifty years.

NPR: Rabid Reader: 'Fat Land' and U.S. Supersizing

The Barclays global business confidence index declined further in May, to -0.45 from -0.02 (three month moving average), the largest single drop in this series since December 2008, the investment bank said on Tuesday.

FORBES: Global Business Confidence Falls To 2008 Levels

And that, despite claims that this would somehow -- this pipeline would somehow solve the pain that families are feeling at the pump today, the company itself has said it would take years before a single drop of oil would flow through that pipeline.

WHITEHOUSE: Press Briefing