不成

• You won't say thing to distress me, will you ?
  你不要说让我难过的话，成不成？
• We will never stop until the experiment succeeds .
  试验不成功，我们决不罢手。
• Their first ruse having failed , then tried another .
  他们一计不成，又施一计。
• I have some tentative suggestions .
  我有几点不成熟的想法。
• Mere talk and no action won't do .
  只说不做，那是不成的。
• The box was crushed out of shape .
  这箱子被压得不成型了。
• Such a piece of work cannot be completed in a day .
  这样一件活，一天是完不成的。
• The same is, however, not true for cross-rotation .
  然而这对于正交转动是不成立的。
• The chances of success are uncertain .
  成不成没准儿。
• I only have a half-baked idea that isn't ready yet .
  我的想法不成熟，还没考虑好哩。