unclear [ˌʌnˈklɪr]

例句:

• Just what the soldier was doing in Bireij is unclear.
  就连那个士兵在比雷杰干什么都不清楚。
  
• To this day, it's unclear whether he shot himself or was murdered.
  至今尚不清楚他究竟是饮弹自杀还是被谋杀。
  
• "Things are moving ahead."— I found that statement vague and unclear.
  “事情正在取得进展。”——我认为这个说法含糊不清。
  
• Whether they're actually playing or not is unclear.
  来自BBC
• He said the man's motive was still unclear.
  来自BBC
• The higher level relationship of the hexapoda is unclear.
  来自BBC