bad hair daya day when your hair does not look tidy or neat even when you try to arrange it carefully – used humorously 不如意的一天,不顺利的一天〔幽默用法〕 I’m having a bit of a bad hair day. 我今天做什么都不大对劲。
bad hair day• Your basic bad hair day at the photo lab.• I felt miserable and realised the hair of my dreams had turned into the worst bad hair day you could imagine.