He smacked his hands down on his knees.

他把双手啪地放到了双膝上。

《柯林斯英汉双解大词典》

He won the election hands down.

他轻易地当选了。

《新英汉大辞典》

Jordan is the greatest NBA player ever. Hands down.

迈克尔·乔丹是迄今为止nba最伟大的球员，相信没人有有异议吧。

youdao

Oh, get your hands down. Do not salute me.

VOA: standard.other

And if you're our zero just continue standing there awkwardly, Alright. So with that said, we have a three-letter word so we'll have three rounds of hands going up or down.

如果你代表0，就站在那里别动，好，那么，我们有三个字母的单词,因此我们分三次分别表达这三个字母。

哈佛公开课 - 计算机科学课程节选

Science can be hands-on, you might be down at the lake picking up algae and studying them or something, that would be hands-on.

科学研究也是要动手的,你可能会到湖底,收集水藻并研究它们,这就是动手操作

耶鲁公开课 - 生物医学工程探索课程节选

Wear wellies or rubber boots, old clothes and bring moist towelettes for wiping hands down after.

BBC: London from the tide line

In the battles of the sexes between Michael Noer and ELzabeth Corcoran, the hands down winner is Michael.

FORBES: Readers Say

As many others have observed, aggregate expertise--the wisdom of crowds--generally beats the solitary kind hands down.

FORBES: Warning--Tsunami