眉に唾を塗る まゆにつばをぬる Also written 眉に唾をぬる Meanings Expression, Godan verb to keep one's wit about one; to be on one's guard; to be wary; to keep on one's toes See also: 眉に唾をつける (まゆにつばをつける). Kanji 眉 eyebrow. Read as まゆ. 唾 saliva. Read as つば. 塗 paint. Read as ぬる. Word lists Idioms Jinuma: Japanese Dictionary · Word lists