“砍倒”常见的英文表达是 cut down。例如：
They cut down the old tree to make room for the new building.（他们砍倒了那棵老树，为新建筑腾出空间。）
We should not cut down too many trees, as it will lead to soil erosion.（我们不应该砍倒太多树，因为这会导致水土流失。 ）