smidgen       
noun [ S ]  informal (also smidgin); (smidgeon) uk/ˈsmɪdʒ.ɪn/ us/ˈsmɪdʒ.ɪn/
 少量,丁点儿
a very small amount
  Could I have a smidgen more wine? 我能再来一点儿酒吗? 
 It was five years since I'd last seen him, but he hadn't changed a smidgen. 我有5年没见他了,但他一点儿都没变。 
 Synonyms: hint (SMALL AMOUNT)iota (small amount)a scintilla of something shred (SMALL AMOUNT)smidgesoupçon spot (CIRCLE) touch (SMALL AMOUNT)not a whit