You have to be ruthless about what's going on in your head.

你得冷酷地控制自己的想法。

youdao

In order to get the important things done, we have to be ruthless at removing distractions.

为完成重要的任务，我们必须坚决地消除干扰。

youdao

Just remember to be ruthless about reducing chaos and getting back to a normal routine first.

请记住首先要冷漠无情地减少混乱的事情并回归正常轨道上。

youdao

We ought to be ruthless about searching out improper behaviour.

BBC: Police corruption: Gifts and second jobs to go on register

It is time for America as investors and as citizens to be ruthless in forcing Wall Street to prove that the return on investment for every dollar spent on executive compensation provides competitive returns.

CNN: Commentary: Wall Street finally got what it deserved

Some were temperamentally unsuited to be ruthless businessmen.

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