踏上

踏上	tà shàng	to set foot on / to step on or into
踏	tā	see 踏实
踏	tà	to tread / to stamp / to step on / to press a pedal / to investigate on the spot
上	shǎng	used in 上声
上	shàng	(bound form) up; upper; above; previous / first (of multiple parts) / to climb; to get onto; to go up / to attend (class or university) / (directional complement) up / (noun suffix) on; above