上课

上课	shàng kè	to go to class / to attend class / to go to teach a class
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
课	kè	subject / course / CL:门 / class / lesson / CL:堂,节 / to levy / tax / form of divination