ride herd on

基本解释

The summer went on and they moved the herd to new pasture, shifted the camp; the distance between the sheep and the new camp was greater and the night ride longer.
夏天还在继续。他们把羊群赶到了一片新的草地上，同时转移了营地；羊群和营地的距离更大了，晚上骑马回营地所用的时间也更长了。
Trudy Steinfeld, director of N.Y.U.’s Office of Career Services, said she increasingly had to ride herd on employers to make sure their unpaid internships were educational.
纽约大学学生就业服务办公室主任特鲁迪·斯坦菲尔德（Trudy Steinfeld）表示她日益需要对实习单位加强监督以确保其提供的实习是培训性质的。

And Avon employs 42, 000 to manufacture all those cosmetics and to ride herd on the sales reps.
FORBES: Connect
During his show, he will conduct an exploration of science-fiction prototyping with a panel, run a screening of the movie Vintage Tomorrows, and ride herd on a book signing.
FORBES: Prototyping The Distant Future
And now vaccine resistance is spreading among parents who want to free ride on the herd immunity of others.
FORBES: More Measles Outbreaks Due to Decreasing Vaccination Rates