màn xìng pí láo zhèng hòu qún
chronic fatigue syndrome (CFS)
慢
màn
slow
性
xìng
nature
疲
pí
weary
劳
láo
(bound form) to toil; labor
症
zhèng
disease
候
hòu
to wait
群
qún
variant of 群[qun2]
