Corralling them has been tough .

将它们集结起来并不容易。

By constantly rounding them up and corralling them .

以使她们在自己的控制之下。

America is corralling hundreds of companies around common standards , and supporting pilot projects .

美国也给数百家企业制定了通行标准并支持试验项目。

It plans to spend about 15 % less on sport rights-the easiest way of corralling a broad audience .

公司计划在最易聚拢广泛观众的体育转播中，节省约15%版权支出。

Corralling their mighty horsemen " like sheep in a pen " and leaving them no room to attack .

并把那些强大的骑兵“像羊羔一样关进圈里”，让他们全无还手之力的。