be devoid of gratitude忘恩负义;

　　drive off loneliness驱除孤独;

　　emotional support精神上的支持;

　　care and comfort关心爱护;

　　beadhouse养老院;

　　inane空虚的;

　　live out one's life in retirement退休安度晚年;

　　old age boom高龄化高峰;

　　old and infirm老弱病残的