1.need to 需要
例句:When you have two adversaries negotiating, you need to be on neutral territory.
让敌对双方坐下来谈判时，你得保持中立。
2.ahead of 在…之前
例句:The Socialists may still finish ahead of the pack.
社会党最终仍可能会领先。
3.take part in 参加
例句:At that time, the problem of whether we should take part in the Olympic Games or not arose.[qh]
那时出现了我们该不该参加奥运会的问题。
4.step down 下台
例句:We're all sorry to see you step down.
我们都很遗憾看到你辞职。
