蹑迹

蹑迹	niè jì	to follow sb's tracks / to tail
蹑	niè	to walk on tiptoe / to walk quietly / to tread (on) / to follow
迹	jì	(bound form) trace; mark; vestige; clue / Taiwan pr. [ji1]
迹	jì	(bound form) vestige; historical remains (variant of 迹)
迹	jì	variant of 迹