underhandWiktionary 原文中文来自 ECDICTadj.秘密的,低手的,偷偷摸摸的构词拆分under词根/词干+hand词根/词干词源说明From under + hand.释义(英文)形容词 AdjectiveSecret; clandestine.(by extension) Dishonest and sneaky; done in a secret or sly manner.(in various ball games, of a ball) Thrown (etc.) with the hand brought forward