keep a tight rein on

基本解释

If anyone considers himself religious and yet does not keep a tight rein on his tongue, he deceives himself and his religion is worthless.
若有人自以为虔诚、不勒住他的舌头、欺哄自己的心、人的虔诚是虚的。
Y et one of the big questions posed by the Chinese plan is whether the authorities will really be able to keep such a tight rein on the process.
然而，中国人民币国际化计划的重大问题之一是，官方是否真能对整个进程保持如此严密的控制。
What the company has to do is to keep a very tight rein on its spending until the financial situation improves.
公司现在必须做的是加强控制支出直至经济状况有所好转。

Both of these factors are acting to keep a tight rein on any credit that could otherwise make its way into the real economy.
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