学

xué to learn; to study; to imitate; science; -ology

超

chāo to exceed; to overtake; to surpass; to transcend; to pass; to cross; ultra-; super-

不

bù (negative prefix); not; no

限

xiàn limit; bound; to set a limit (on)

行

xíng to walk; to go; to travel; a visit; temporary; makeshift; current; in circulation; to do; to perform; capable; competent; effective; all right; OK!; will do; behavior; conduct; Taiwan pr. [xing4] for the behavior-conduct sense

háng a row; series; age order (of brothers); profession; professional; relating to company

xìng behavior; conduct

S6signiifd