:easy progress:progress that is not blocked by anything一帆风顺;顺利
Now that the permit has been approved, we expect to have clear sailing from here on. [=we expect that we will not have any problems from here on]既然许可证已获批准,我们就期待接下来一帆风顺。
Her time at college wasn't all smooth sailing. [=she had some problems/difficulties during her time at college]她的大学生活并非一帆风顺。