bad hair day (badhairdays)

• 1.  

  N-COUNT（可数名词） People sometimes say they are having a bad hair day when they do not feel very happy or relaxed, especially because their hair does not look good. 很不顺利的一天 [非正式][usu sing]

  例：

  All this fuss is because Carol is having a bad hair day.

  所有的乱七八糟的事情都源于凯若今天很不顺利。