It's already a quarter to twelve.

现在已经是差十五分十二点了。

At a quarter to twelve we have our lunch.

在差一刻钟12点我们有我们的午餐。

I looked at the clock. It was a quarter to twelve.

我看了看钟，时间是十一点三刻。

It's a quarter to twelve and his light is still on.

差一刻就十二点钟了，他的灯还亮着。

The lawyer replied, "I'm right on time. I said I'd be home by a quarter of twelve, not a quarter to twelve".

律师回答说：“时间没错啊，我说过我会在十二的四分之一点回家，不是十二点差一刻回家。”

I thought it was the other church, he one near the market, and I waited there till a quarter to twelve, and then I realized my mistake.

我以为是另一个教堂，是靠近集市的那个教堂，我在那儿一直等到差一刻十二点，后来意识到我搞错了。

She gets up at seven every day. She has breakfast at a quarter past eight, and starts work at a quarter to ten. She works until half past twelve.

她每天七点起床，她八点一刻吃早饭，九点三刻开始工作，一直工作到十二点半。

Experts say that a quarter of children born in Britain today can expect to live to 100 and believe there will be a twelve-fold increase of centenarians over the next 30 years.

专家称现今英国有四分之一刚出生的儿童预计能活到100岁，他们相信在未来30年，英国百岁老人的数量会增加12倍。