It is caused by damage to certain parts of the brain, and causes one of a person's hands to act independently of the other and of its owner's wishes.

它是由大脑的特定区域受到损伤引起的，会导致一个人的双手无法协调，也无法受到主人的控制。

youdao

In play, she liked exceedingly to act the little mistress; using her hands freely, and commanding her companions: she did so to me, but I would not bear shopping and ordering; and so I let her know.

在玩的时候，她特别喜欢当小主妇，任性地作这个那个，而且对同伴们发号施令。她对我也这样，可是我可受不了充当杂差和听任使唤，所以我也就叫她放明白点。

youdao

Players are expected to call penalties on themselves, shake hands with rivals and “act like gentlemen”.

运动员打不好会自讨罚杆，要和对手握手还要“像个绅士”。

youdao

At 14, he developed epilepsy from a head injury due to a malicious act at the hands of a 20 year old, ex-Marine, who was looking to impress a girl.

FORBES: Why I'm Raising My Fee to $750 an Hour

And you decided that you weren't going to just talk about the problem or wring your hands about the problems, but you were going to act.

WHITEHOUSE: Making Healthy Food Accessible & Affordable

We can wait for them to act, or we can decide to take the problem into our own hands.

FORBES: Try not to rely on Medicaid for long-term care