beforehand [bɪˈfɔ:rhænd]

例句:

• It wasn't a spur-of-the-moment decision. We discussed it in detail beforehand.
  这可不是头脑一热作出的决定。我们事先仔细地讨论过。
  
• How could she tell beforehand that I was going to go out?
  她怎么会事先知道我要出去？
  
• Saunas can be hazardous if misused. Avoid a big meal beforehand.
  洗桑拿浴如果方法不当会有危险，浴前切忌饱食。
  
• We get chatting, get something to eat beforehand.
  来自WSJ
• Whatever you say beforehand does not make any difference.
  来自THETIMES
• Only two top Vatican cardinals were informed beforehand.
  来自WSJ
• I wish we'd known about it beforehand.
  要是我们预先知道这件事就好了。
  来自《权威词典》
• We knew they were coming, so we bought some food beforehand.
  我们知道他们要来,所以预先买了一些食物。
  来自《权威词典》
• Please inform me of your arrival time beforehand.
  请事先通知我你抵达的时间。
  来自《权威词典》