形容词 underhand:

1. with hand brought forward and up from below shoulder level

2. marked by deception

underprep.低于；在 ... 下；在 ... 内；在 ... 控制下adv.在昏迷中；在 ... 下adj.下面的；从属的；少于的undercuren.欠处理(欠熟；欠硫化；硫化不足)