underhanded

英 [ʌndə'hændɪd] 美['ʌndɚ'hændɪd]

• adj. 卑劣的；秘密的；人手不足的

1. marked by deception;

"achieved success in business only by underhand methods"

2. with hand brought forward and up from below shoulder level;

"an underhand pitch"

"an underhand stroke"