to make a detour

基本解释

We had to make a detour round the floods.
我们为了避开洪水得绕道而行。
The flyer was under repair and we had to make a detour.
立交桥在修理，我们得绕行。
On the same site, Riley suggested Air Force One "had to make a detour because of a security threat".
还是在这个网站上，Riley 猜测空军一号是“为了避免安全威胁在进行规避”。

In other words, I had a planned route, and I gave enough of a cushion that I was still safe even should I need to make a detour.
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Belovoshin also said that it took fire fighters an hour to get to the hospital following an emergency call because a ferry across the canal was closed and the fire fighters had to make a detour.
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Before discussing this further, I want to make a short detour into the world of actual architecture.
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