苦瓜脸 Traditional form: 苦瓜臉 Pinyin (reading): kǔguāliǎn Definitions: sour expression on one's face Characters: 苦 - bitter; hardship, suffering 瓜 - melon, gourd, squash, cucumber 脸 - face, cheek; reputation Traditional characters: 苦 - bitter; hardship, suffering 瓜 - melon, gourd, squash, cucumber 臉 - face, cheek; reputation