为止

• Up to now everything has been successful .
  到目前为止，一切都很顺利。
• Gently pat his back until he burps .
  慢慢地拍他的背部直到他打嗝为止。
• It is merely a hypothesis; so far .
  到目前为止，这仅仅是一种假设。
• Keep to your task till you 've finished .
  坚持工作，直到做完为止。
• The van travelled only so far as shaston .
  篷车只行到沙氏屯为止。
• Fusion has not, so far, been tamed .
  到目前为止，还不能控制聚变。
• Heat the butter until it browns .
  把黄油加热，直到变成褐色为止。
• He must pull until the rat dies .
  他必须把这只老鼠拽到死为止。
• The money is in trust until i'm twenty-five .
  这钱由人代管到我25岁时为止。
• Now, i have so far merely made assertions .
  直到现在为止，我只是在作论述。