魂牵梦萦

hún qiān mèng yíng

(idiom) to miss very much; to yearn for

魂

hún

soul; spirit; immortal soul (that can be detached from the body)

牵

qiān

to lead along

梦

mèng

dream (CL:場|场[chang2],個|个[ge4])

萦

yíng

(literary) to wind around