under control
处于控制之下
例句与用法：
Gas flowing through the pipes burns instantly but can be kept under control easily by opening or closing the pipes.
通过管子的煤气会瞬间燃烧起来，但我们凭开、关管道很容易控制它。
You must get your spending under control.
你必须节制开支。
The fire has been brought under control.
火势已受到控制。
Is everything under control?
一切都在掌握之中吗？
处于控制之下
You should learn to keep your temper under control.
你应该学会控制自己的脾气。