轻车熟路的英文：
[Literal Meaning]
light/carriage/familiar/road
to drive in a light carriage on a familiar road

[解释]
驾着轻快的车走熟悉的路。比喻办事很容易。

[Explanation]
to do something one knows well

[例子]
这种工作他已经做了二十年，可以说得上是轻车熟路了。

[Example]
He has been doing this job for 20 years, so he is managing it with ease.

[英文等价词]
as easy as pie

As facile as traveling along a familiar road in a light carriage
轻车熟路