系上

系上	jì shang	to tie on / to buckle up / to fasten
系	xì	to connect / to relate to / to tie up / to bind / to be (literary)
系	xì	system / department / faculty
系	jì	to tie / to fasten / to button up
系	xì	to connect / to arrest / to worry
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