形容思想远大怎么说英语

To describe someone as having "far-reaching thoughts" or "visionary ideas" in English, you could say that they are "forward-thinking" or "progressive." You could also say that they have "enlightened" or "envisionary" ideas, or that they are "innovative" in their thinking. For example:
"John is a forward-thinking leader who always has visionary ideas for the future of the company."
"Sara's progressive approach to problem-solving has helped the team come up with innovative solutions."
"David's enlightened perspective on social issues has inspired many people to think more deeply about the world around them."