067. Once you...
一旦你……

[句型解析]
“once”有“一次”的意思，但它还有“一旦”之意。“once you know the second meaning of 'once', I bet you will never forget it.” (一旦你知道了“once”的第二个意思，我敢打赌你再也忘不了它了。)

[实例]
1. Once you decide, you can't change your mind.
一旦你决定了，就不能改变想法了。
2. Once you have a stomachache, take the medicine twice a day.
一旦胃痛，你就吃这些药，每天两次。
3. Once he finds out what you've done, he'll get mad.
一旦他知道你的所作所为，他会气疯的。

[实战练习]
A: My friends have been asking me to smoke cigarettes with them.
我的朋友们一直要我学他们吸烟。
B: Be careful! You don't give in to peer pressure.
小心别屈服于同龄人的压力。
A: Why?
为什么？
B: First of all, smoking is bad for your health and second, once you start smoking it will be hard to stop.
首先吸烟有害健康，其次一旦你开始了就很难停下来。
A: Yeah, you're right. I know a lot of people who are addicted to smoking.
你是对的。我知道很多人吸烟上了瘾。
B: I bet most of them started because their friends also smoked.
我相信他们很多人抽烟是因为他们的朋友抽烟。
A: You're right. I won't do it. I won't smoke with my friends.
是啊，我不会了，我不会跟朋友一起抽烟了。