at.

常见例句

• He arrived at the meeting place beforehand.
  他提前到达会面地点。
• It is necessary that he be sent there at once.
  有必要马上派他到那里去。
• She is always so surly; she never smiles at anyone.
  她总是那麽个坏脾气，对谁也没有一个笑脸。
• She looked at him with hate in her eyes.
  她以憎恨的目光看着他。
• At this rate we won't be able to afford a holiday.
  照这样下去，我们不会有时间／钱去度假的。
• The machine must break down at this busy hour.
  正忙的时候，机器偏偏又坏了。
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