There are a lot of dips and curves across human's life . Hay muchas pendientes y curvas a través de la vida del humano.

It takes some skill and a lot of courage to walk across this dangerous bridge .Se necesita alguna habilidad y mucho valor para andar a través de este puente peligroso
They put the crosses across the crossing.Ponen las cruces a través de la travesía.
Many illegal aliens enter the U.S. across the Mexican border.
The prisoner tried to escape across the border while out on bail.
Camels are very useful beasts for transporting goods across the desert.
The wind blows cold across the Shetland Islands in winter.
The deer ran across the meadow and disappeared into the brush. the bridge across the river