steel

医生走进候诊室告知诊断结果之前，让自己镇定下来。

The doctor ___steeled herself before walking into the waiting room to deliver the diagnosis.

他鼓足勇气，终于决定向房东提出电线不安全的问题。

He ___steeled his nerves to finally confront his landlord about the unsafe wiring.

登山者做好了心理准备迎接最后一段攀登，她知道接下来一小时将是极限考验。

The climber ___steeled herself for the final ascent, knowing the next hour would test her limits.