unorthodox
adjective uk/ʌnˈɔː.θə.dɒks/ us/ʌnˈɔːr.θə.dɑːks/
非正统的;非传统的;不正规的
different from what is usual or expected in behaviour, ideas, methods, etc.
Steiner was recognized as an original if unorthodox thinker. 斯坦纳被认为是一位离经叛道但富有创新精神的思想家。