苦瓜脸 kǔguāliǎn sour face Origin Definitions Defs Strokes Stroke Words Sentences Sents 苦瓜 kǔguā bitter melon bitter melon; balsam pear. A vegetable characterized by a bumpy skin and a bitter taste, harvested from a climbing vine with yellow flowers.脸 臉 liǎn noun facial expression the look or expression on one's face; countenance