can't

• If you can't help me then nobody can .
  要是你们不帮忙，那谁也没有办法了。
• I simply can't guess what mary is driving at .
  我简直猜不透玛丽意指什么。
• We can't ape the japanese system .
  我们不能完全仿效日本的体系。
• I can't figure out why he is buttering me up .
  我不明白为什么他要巴结我。
• You can't put any confidence in him, sir .
  你不能推心置腹地信任他，阁下。
• I can't have you breaking down in health .
  我决不能让你搞垮你自己的身体。
• Don't fret, they can't prove him guilty !
  不要着急，他们没法子证明他有罪！
• But it's the kind of thing i can't permit .
  可是这种事情我却不能听之任之。
• Maybe he can't screen out bottom return .
  说不定他无法鉴别水底的反射信号。
• At least you can't write to them all the time .
  至少你不能一直给他们写信。