English translation of '甩手'

动

1. (指运动) swing one's arms (pt, pp swung)
2. (指工作、事情) wash one's hands of
   ⇒ 这件事做了一半，你不能甩手不管。 (Zhè jiàn shì zuòle yībàn, nǐ bùnéng shuǎishǒu bùguǎn.) You're only halfway through. You can't wash your hands of the matter now.