hill and dale

基本解释

Many a man has professed to me that his brain never works so well as when he is swinging along the high road or over hill and dale.
许多人和我说脑子从来没有在大街或者山间溜达时活跃。
Every hill and dale in full swing since the fall of the leaves, this place was only Huanzuo "Fire Island", Tierra del Fuego resulting.
因为每到秋季漫山遍野如火如荼的红叶，此地才被唤做“火之岛屿”，火地岛由此而来。
Besides producing what is needed to cover part of the military expenses, during busy farming seasons men in army uniform toil alongside civilians across hill and dale.
我们的军队，除了自己生产解决一部分军费之外，每到农忙时候，漫山遍野，都是穿着军服的人，同老百姓在一块劳作。
yinghanhuyi.com

As Taps approached, they raised their instruments and played, echoing Taps down the long, long brass line that stretched over hill and dale, from village to town, while motorists slowed, stopped and stood.
FORBES: 42 Miles Of Echo Taps: A Memorial Day Tribute
Politics dictate that all those delightful lines that run over hill and through dale should survive, because the government fears that by cutting such services it would also cut its vote in those areas.
ECONOMIST: Railways