must

• He must soon know what has happened .
  他肯定很快就会知道发生的事情？
• We must make allowances for his ignorance .
  我们对他的无知必须谅解。
• You must stay where you can not be seen .
  你要呆在别人看不见的地方。
• When one is about to act, one must reason first .
  凡事应先思而后行。
• I must go to the station to meet my friend ..
  我该到车站去接朋友了。
• It must have been a valuable experience .
  那准是有价值的所见所闻了。
• The matter is urgent and must be dealt with at once .
  必须立即处理。
• One's thoughts must be directed to the future .
  一个人应当考虑未来。
• A laboratory must be kept in good order .
  实验室里必须保持井井有条。
• Wealth must justify itself in happiness .
  财富必须在快乐中证明自身。