But when they cross a busy road by using a zebra crossing, the traffic is held up.

但是当他们利用斑马线通过繁华的马路时，交通就被阻碍了。

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The traffic to the city had been held up for nearly one week by a big tunnel fire.

一场隧道大火使进城的交通中断了近一个星期。

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A car turned over and blocked the road, so all the traffic was held up.

一辆小汽车翻车了，堵住了道路，因此造成了交通阻塞。

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Traffic had previously been held up at the Hindhead crossroads for years, blighting the lives of people living in and around Hindhead.

BBC: Hindhead Tunnel

During the flashride, the cyclists moved across the bridge en masse in a "go-slow" which temporarily held up traffic.

BBC: TfL plans for Blackfriars Bridge spark cyclists protest

The airport, which is owned by Global Infrastructure Partners, is now gearing up for an expected increase in traffic, with three Six Nations rugby matches due to be held in the capital over the next few weeks.

BBC: Edinburgh Airport passenger numbers fall