1. It was his chief defect.
    这是他的主要缺点。

2. In 1763 he came home and set up as a surgeon, and 5 years later he became chief surgeon at St. George´s Hospital and surgeon to the king, George Ⅲ.
    1763年回国，建立了外科诊室。5年之后，他成为圣·乔治医院的主治外科医生，并兼任国王乔治三世的私人外科医生。