难以预料

• in the lap of the gods

例句

1. 结果难以预料。
   The out-come is doubtful.
2. 既然石油短缺，那么汽车将来会怎样就难以预料了。
   Now that oil is scarce, the fate of the motor car is uncertain.
3. 这场战争的结局难以预料。
   You can't foretell how the war will end.