形容词underhanded
形容词overhandaboveboard
1. 秘密的：undergrowth 下层丛林 | underhand 秘密的 | underhanded 秘密的
2. 手不过肩的：underhand weld 平焊焊缝 | underhand 手不过肩的 | underhaul 偏泊
3. 下投的：underhammer 下置式击锤 | underhand 下投的 | underhole 下部掏槽
4. 下手发球：overhand 上手发球 | underhand 下手发球 | smash serve 跳发球
1. 秘密的；狡诈的；欺诈的
If an action is underhand or if it is done in an underhand way, it is done secretly and dishonestly.
e.g. ...underhand financial deals.
秘密的金融交易
e.g. ...a list of the underhanded ways in which their influence operates in the United States...
他们在美国施展影响的一系列阴险手段
2. （投球等）低手的，手不过肩的
You use underhand or underhanded to describe actions, such as throwing a ball, in which you do not raise your arm above your shoulder.
e.g. ...an underhanded pitch.
低手投球