have a calm character
The Spanish phrase 'tener un carácter tranquilo' translates to 'have a calm character' in English. This phrase may be used to describe someone who is typically calm, collected, or peaceful in their demeanor. Character refers to an individual's qualities or traits, and tranquil refers to a state of peace or calm. Therefore, someone with a 'tranquil character' would be someone who generally exhibits a peaceful, calm disposition.