まゆにつばをぬる

眉に唾を塗る

表記・読み：眉に唾をぬる・まゆにつばをぬる

1. 1

   to keep one's wit about one; to be on one's guard; to be wary; to keep on one's toes

   expressions (phrases, clauses, etc.)五段動詞（る）idiomatic expression