murkier ['mɜ:kɪr]

例句:

• The origins of bull-riding, which serves no practical purpose, are murkier.
  骑牛赛没有实际意义，其起源比较令人费解。
  
• If not, the outcome may be a lot murkier.
  而如不然, 结果可能就会更加含糊不清.
  
• This leads us into the murkier areas of human behaviour.
  这让我们看到了人类行为较阴暗的领域.
  
• Pre-season testing has left an even murkier picture than normal.
  来自BBC
• But after that, things immediately got murkier.
  来自WSJ
• This sensational claim only made matters murkier.
  来自NEWYORKER