严格控制;加强管理
rein sb / sth back
to start to control sb / sth more strictly
We need to rein back public spending.我们需要严格控制公共开销。
用缰绳勒马
to stop a horse or make it go more slowly by pulling back the reins
释义来自《牛津高阶英汉双解词典》第 9 版