U.N. aid convoys have unimpeded access to the city.联合国救援车队可以畅通无阻地进入该市。

We drove, unimpeded by anyone, to Arras.我们驱车前往阿拉斯, 一路畅通无阻。

He promised to allow justice to run its course unimpeded.他承诺让正义畅行无阻。