缠绵

touching (emotions) / lingering (illness)

to wind around / to wrap round / to coil / tangle / to involve / to bother / to annoy

silk floss / continuous / soft / weak / mild-mannered (dialect)

old variant of 綿|绵[mian2] / cotton

to cling without letting go / to pester without end / to cling lovingly to each other

(of a person) sad beyond words (idiom) / (of music, literature etc) poignant / very sentimental