mousy
adjective (also mousey) uk/ˈmaʊ.si/ us/ˈmaʊ.si/ mousier | mousiest
(HAIR)
（头发）灰褐色的
Mousy hair is brown and not special or attractive.
(PERSON)
害羞的;无趣的;个性不强的
shy and nervous and having few interesting qualities
A mousy-looking woman accompanied him. 一个相貌平平的女人和他在一起。