sidetracked

the effort at reform has been sidetracked for years.

这几年改革一直正轨。

he didn't want them to get sidetracked on a detail of policy.

他不希望他们为了政策上的某一细枝末节了正题。

I was sidetracked from my work by an unexpected visitor.

不之客的来撂下工作

he does not let himself get sidetracked by fads and trends.

他没有让时尚转移自己的注意力。