一旦的英文怎么说

一旦的英文：
in case (something happens)
once (something becomes true, then...)
in one day

• Once a beggar, always a beggar.
  一旦成为乞儿，就永无止境。
• It is impossible to rehydrate a mucus globule once it has become dehydrated
  一旦已经脱水，粘液不可能再水化。
• Once the program is coded, the programmer must debug it.
  程序一旦编成，程序员就必须调度它。
• Pesticide persistence beyond the critical period for control leads to residue problems
  农药一旦超过控制的临界期，就会导致残留问题。
• Once we disabuse ourselves of the prejudice,we can cooperate with each other quite well.
  一旦我们消除了这种偏见，就能很好地合作。
• It is worth remembering that previous wills are nullified automatically upon marriage.
  要记住的是，一旦结婚，原遗嘱自动失效。
• If the truth is once elicited, they shall go scot-free.
  一旦真相大白，他们也就脱清干系了。
• Chicken Wrangler Zombie will release a flock of Zombie Chickens when damaged.
  养鸡僵尸一旦被攻击就会放出一群僵尸鸡。
• Once a satisfactory system of lubrication has been secured the hardness of the interacting elements becomes critical.
  一旦获得了满意的润滑系统，相互作用的元件的硬度就成为紧要之事。
• In other words, once we pass a certain critical point, the computers take over and there is complexity explosion.
  换句话说，一旦我们过了某个临界点，电脑就会取得主宰性地位,出现一个“复杂性爆炸”。

• It is not something ephemeral.
  它不是朝生暮死的东西。
• Know something of everything and everything of something
  既要有一般常识,又要有专业知识
• Know something of everything and everything of something.
  通百艺而专一长。

• These things will happen.
  这种事总要发生的。
• It happened far back in the past.
  这事发生在久远的过去。
• A string of accidents happened at that corner.
  在那个转角发生了一连串的事故。

• Once is no custom
  一次不成例
• Do it for this once.
  就干这一次吧。
• Gordon is at once modest and clever.(at once …and…既..又)
  戈登既聪明又谦逊