Even one drink can impair driving performance.

即使一杯酒也可能影响驾驶操作。

《牛津词典》

Drink no more than one drink per hour.

每小时饮酒不超过一杯。

youdao

Moderate means no more than one drink a day for women and two for men.

适量饮酒是指女士不多于一天一杯，男士不多于两杯。

youdao

One drink equals a bottle or can of beer, a medium glass of wine or a very small glass of liquor.

VOA: special.2009.09.08

and one of your friends has had too much to drink, and he should not be driving himself home.

你有一个朋友已经喝高了，他已经不能自己开车回家了。

I can 课堂 - SpeakingMax英语口语达人

People drink the lowest amount in eastern Mediterranean countries, about one drink a week.

VOA: special.2009.09.08

We can change the world one person at a time and one drink of water at a time.

WHITEHOUSE: Dream Big: Water

In general, though, drinking more than one drink an hour gives your liver more than it can handle.

CNN: Alcohol poisoning

U.S. dietary guidelines recommend drinking in moderation -- up to one drink daily for women and up to two for men.

CNN: CDC: 1 in 5 high school girls binge drink