as bright as a button 汉语意思： （口语）非常机灵的，聪明的 （尤指小孩）活泼伶俐的 头脑敏捷、反应快的 例句： The little girl is as bright as a button and learns new words quickly. 这个小女孩非常机灵，学新词很快。 Although he is only five, he is as bright as a button when it comes to numbers. 虽然他才五岁，但论起数字来却十分聪明伶俐。