---魏训刚
before
① prep. conj.在……之前
如：You should always wash your handsbefore meals.你要保持饭前洗手。
Say goodbye before you go.在走前要说再见。
It will be a while before we know the results.我们还要一段时间才能知道结果。
Before we make a decision, does anyone want to say anything else?
在我们做决定前，还有人有其他要说的吗？
Your names comes before mine on the list.在名单上你的名字排在我前面。
② adv. 以前
如：Haven*t I met you somewherebefore?我以前在哪儿见过你吗？
She looked just the same as before.她看起来和以前一样。
[反] after 在……之后
before
① prep. conj.在……之前
如：You should always wash your handsbefore meals.你要保持饭前洗手。
Say goodbye before you go.在走前要说再见。
It will be a while before we know the results.我们还要一段时间才能知道结果。
Before we make a decision, does anyone want to say anything else?
在我们做决定前，还有人有其他要说的吗？
Your names comes before mine on the list.在名单上你的名字排在我前面。
② adv. 以前
如：Haven*t I met you somewherebefore?我以前在哪儿见过你吗？
She looked just the same as before.她看起来和以前一样。
[反] after 在……之后
