be off their hands

基本解释

They'll be glad to get their son off their hands.
他们再不必为儿子操心，感到很高兴。
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Glance back next time you trot off to the restroom and I bet his hands will be on their way to touching his hair.
下次你跑回休息室一看，保准你会看到他正在用手弄头发。
Busy professionals who travel to work by car may be able to take their hands off the wheel, sit back and check emails with autonomous vehicle technology being developed by UK researchers.
现在英国的研究者开发了一种自动驾驶技术，这对于忙碌的商务人士来说是个好消息，你在驾车的同时可以采用自动驾驶，它解放了你的双手，让你有时间去收邮件了。

If persuading the 15 members of the EU is going to be difficult, and winning agreement among all 147 members of the WTO still harder, then persuading the 535 members of Congress to keep their hands off a trade bill will be all but impossible.
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