If she survives her husband, whose care she is expected to provide even when she herself is sick (and often blamed for his sickness) his family rejects her as an added burden.
妇女即使生病也要照顾丈夫(而且经常因丈夫生病而受到指责)，如果丈夫先于她死亡，婆家会把她作为额外负担而拒之门外。