have iron morals
The German phrase 'einen eisernen Willen haben' translates to 'to have an iron morale' in English. This phrase is used to describe someone who has a strong, unwavering determination or willpower, similar to the English phrase 'to have an iron will.' The word 'eisernen' means 'iron' and 'Willen' means 'will' or 'morale.' The phrase is often used to describe someone who is determined to achieve a goal or overcome a challenge, despite any obstacles or difficulties they may face.
His mother says he has an iron will to become a doctor.
This sentence is talking about a person who is determined to become a doctor, according to his mother. 'einen eisernen Willen haben' is used to describe his strong determination.
In order to finish a marathon, one must have an iron will.
This statement is highlighting the necessary determination and willpower, described here as 'einen eisernen Willen haben', that is necessary for finishing a marathon.
Despite all obstacles, she showed an iron will to reach her goal.
This sentence showcases a person who, despite facing challenges, showed strong determination or 'einen eisernen Willen' to reach her goal.