A：Are you ready to order now, sir?
      先生，你准备点菜吗？

B：Yes, I am. I'd like some wine and roast duck.
      是的。我想要些酒和烤鸭。

A：Roast duck. There will be a slight delay for that.
      烤鸭。那会稍微慢一点。

B：How long?
      多久？

A：About forty minutes, I think.
      我想大约40分钟。

B：OK, please. I'll order something else at first.
      好的，来一份。我先点别的东西。

A：You really should stop smoking, you know.
      你知道，你真的应该戒烟了。

B：I know. I know. I don’t smoke too much, though.
      我知道，知道。我的烟瘾也不是很重。

A：How many cigarettes do you smoke a day?
      你每天抽多少根烟？

B：About a pack, more if I drink.
      1包左右。如果喝酒的话，抽得多一点。

forty

A：Wow. You’re really a heavy smoker.
      哇，真是个瘾君子。

B：No, I’m not. My father smoked two packs a day for forty years.
      我不是，我的父亲40年来每天抽两包。

A：He died of lung cancer, right?
      他死于肺癌，是吗？

B：Yeah…you’re right. I really should stop smoking.
      是…没错。我真的应该戒烟了。

1. (数字)40
    Forty is the number 40.

2. 四十多，四十几(指从40至49的数字)
    When you talk about the forties, you are referring to numbers between 40 and 49. For example, if you are in your forties, you are aged between 40 and 49. If the temperature is in the forties, the temperature is between 40 and 49 degrees.

    e.g. He was a big man in his forties, smartly dressed in a suit and tie.
           他是一个四十多岁的高大男子，穿西装打领带，看上去很精神。

3. 二十世纪四十年代(指从 1940 年至 1949 年)
    The forties is the decade between 1940 and 1949.

    e.g. Steel cans were introduced sometime during the forties.
           钢罐是 20 世纪 40 年代时开始使用的。