He's very well-connected in the business world and can always get things done.

well-connected 是由副词 well（很好地）和形容词 connected（有联系的）组成的复合形容词。 connected 来自动词 connect（连接），加上 -ed 变成形容词，表示"有联系的"。 well-connected 指"人脉广泛的"，形容一个人与重要人物或组织有良好联系。