做这份工作需要冷静的头脑和镇定的神经。

You need a cool head and ___steady ___nerves for this job.

我知道你有镇定的神经，但即使在压力下最坚强的人也可能动摇。

I know you have ___steady ___nerves, but even the strongest can falter under pressure.

作为一名外科医生，你必须有坚强的神经来处理高压情况。

To be a surgeon, you must have ___strong ___nerves to handle high-stress situations.