adj.不突出的；不显眼的；谦虚的
She's a quiet unobtrusive student. 她是个文静而不引人注目的学生。
She saw only that he was quiet and unobtrusive, and she liked him for it. 她只知道他沉静而谦逊，并因此而喜欢上他。
adv.不引人注目地；不突出地
