foot by foot

• 一步一步地

foot by foot的用法和样例：

例句

1. We must map out our program step by step.
   我们必须一步一步地设计我们的程序。
2. "absolute principle, top priority"
   硬道理
3. Her health is improving little by little.
   她的健康状况正在逐渐好转。
4. Their friendship was growing by degrees into love.
   他们的友谊正逐渐地发展成爱情。