(adv.) in a fastidious and painstaking manner; 'it is almost a waste of time painstakingly to learn the routines of selling'.
整理:华莱士
双语例句
HE COPIED OUT PAINSTAKINGLY THE ENTIRE PAPER IN LONG HAND, embodying the corrections as he went along, and presented the result of his work the following morning. 弗兰克·刘易斯·戴尔.爱迪生的生平和发明.