孤独 gūdú HSK6 lonely Origin Definitions Defs Strokes Stroke Words Sentences Sents 鳏寡孤独 guānguǎgūdú the helpless the four categories of people without family support: widowers, widows, orphans, and the childless孤独于世 gūdúyúshì solitary alone in the world孤独症 gūdúzhèng autism