unorthodox
adj
not in accordance with what is orthodox, conventional or traditional 非正统的; 非正规的; 非传统的
unorthodoxbeliefs, opinions, etc 非正统的信仰、 见解等
unorthodoxteaching methods 非传统的教学法
She has an unorthodox technique, but is an excellent player. 她不是科班出身, 但却身手不凡. Cf 参看 heterodox.