一旦

• Time is lost, which never will renew .
  一旦时间逝去，它将永不复返。
• Once motion stops, hearing is impaired .
  一旦动作停止，听觉就失灵。
• In case of urgency , call the police .
  一旦发生紧急情况，打电话给警察。
• Once you are unemployed , you are done for .
  一旦失业，你就完了。
• You will like her once you get to know her .
  你一旦了解她，就喜欢她了。
• When it comes across me i chastise it .
  它一旦让我遇上，我就要严惩不怠。
• If once i find door open he's done for .
  一旦我发现门是开着的，他就要完蛋。
• Once you begin you must continue .
  一旦开始你就不可以中断了。
• If the sun went out, the shadow would die .
  一旦太阳落山，影子也就不存在了。
• But, once on stage, her nerves evaporated .
  但是，她一旦上了台，紧张情绪全没有了。