孝思不匮 xiàosībùkuì to be forever filial Origin Definitions Defs Strokes Stroke Words Sentences Sents 孝思 xiàosī filial heart (literary) filial thoughts or devotion; a heart full of respect and love for one's parents不匮 不匱 bùkuì inexhaustible (literary) to never have a deficiency; to never be lacking; endlessly or without ceasing