必须

• You must try to strike a happy medium .
  你必须设法采取折衷的态度。
• You have to abide by the referee's decision .
  你必须遵从裁判员的决定。
• You must clean out the remainder of germany .
  你们必须扫荡残余之德军。
• You will have to clear it with management .
  此事你必须向管理部门说清。
• Radiation must have exactly the frequency .
  辐射必须严格具有频率。
• I have to get back to the drawing board .
  我必须重新考虑这个计划。
• The sample size would have to be quadrupled .
  样本量必须增大三倍。
• It must be filled upthis terrible chasm .
  这可怕的深坑必须填平。
• This adulteration of food must be stopped .
  必须制止在食品中搀假。
• Thickly forested land had to be cleared .
  浓密的森林地面必须开垦出来。