unhindered       
adjective uk/ʌnˈhɪn.dəd/ us/ʌnˈhɪn.dɚd/
 不受阻碍的,不受妨碍的
without anyone or anything making it difficult for you to do something or for something to happen
  Someone in front of me was arguing with the inspector so I was able to pass unhindered. 我前面有人与检查员争论,所以我得以顺利通过。 
 UN investigators should be given unhindered access to investigate abuses. 应该让联合国调查人员不受阻碍地调查侵权行为。 
 - More examples
 - Inclusion of disruptive children is leading to the exclusion of the vast majority of children who just want to receive, as a right, an education unhindered by the bad behaviour of a minority.
 - Doctors give her about two more years of unhindered sight in that eye.
 - The wind swept unhindered across the plains.