Chinese

		tyrannical and haughty	not; no; (negative prefix)	attain gradually; tame
trad. (桀驁不馴)		桀驁	不	馴
simp. (桀骜不驯)		桀骜	不	驯
alt. forms		桀驁不遜／桀骜不逊 桀敖不馴／桀敖不驯

Adjective

桀驁不馴

1. wild; intractable; stubborn; obstinate and unruly