Sometimes when the conversation is flowing really well, it's easy to get sidetracked or to go off-topic or to go off track.

有时候，当谈话进行得非常顺利时，很容易转移话题或偏离主题。

In its settlement with the US Justice Department, the company admits its crew were negligent because they failed to follow up on clear signs that gas was flowing into the supposedly secure well.

该公司在与美国司法部的协议中承认，当时燃气流向本应安全的油井，而公司员工疏忽职守，未能重视这个明显的迹象。