未必

• He is unlikely to come .
  他未必会来。
• It is not all roses
  未必完全安逸。
• A fusion factor exists separate from the virus' ability to hemolyze .
  融合因素未必能与病毒溶血能力分开。
• She may not come .
  她未必来。
• They need not be committed to any particular form of property ownership .
  他们未必赞成某一种特定形式的财产所有制。
• Life goes on. it's not without meaning that your child was saved .
  生命是不息的，你孩子保全了，其中也未必没有天意。
• It was unlikely that we should become confidants while rogers was in retirement .
  在罗杰斯退职后，我们就未必能成为知己。
• The war had not yet started, and most people believed it would not come .
  那时战争还没爆发，大多数人也认为仗未必能打起来。
• The man who achieved this influence was an unlikely candidate for such eminence .
  有这么大影响的人，未必一定会获得鼎鼎大名。
• I met so many people at the party that i would not know half of them again .
  我在聚会上见到很多人，再见到连一半也未必能认出。