• 1. Beforehand: 事前 | 事先 | 预先 | 比一定的时间靠前
• 2. beforehand ad: 预先 | 提前地 | 提早地 | 事后
• 3. be beforehand with: 事先准备好 | 预先 | 给予

更多释义

• 1.I wish we'd known about it beforehand.
  要是我们预先知道这事就好了。
  dict.yoduao.com
• 2.I have to say in her defence that she knew nothing about it beforehand.
  我得为她说句话，她事先并不知道此事。
  dict.yoduao.com
• 3.It is reasonable to assume that he knew beforehand that this would happen.
  有理由认为他事先就知道会发生这样的事。
  dict.yoduao.com

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