adj.<英>秘密的;狡诈的;偷偷摸摸的;人手不足的;
例句:
The store is underhanded in busy season.
该商店在旺季期间缺少人手.
The store is underhanded in the Christmas season.
该商店在圣诞节期间缺少人手.
But in softball, the pitcher must throw the ball underhanded.
但垒球的投手必须使用下手投球.