unscrupulous

形容词 unscrupulous:

1. without scruples or principles

1. Any system of taxation lends itself to manipulation by clever or unscrupulous men.
   任何税收制度都有可能被那些狡猾诡诈的人或无耻之徒钻空子。
2. An unscrupulous, dishonest person; a scoundrel.
   流氓，无赖不守法，不诚实之人; 恶棍
3. He once did me such an unscrupulous shot in the eye.
   他曾经如此肆无忌惮地恶意中伤过我。
4. He was utterly unscrupulous in his competition with rival firms.
   他与对立公司竞争完全不讲道德。