A muscle was twitching in Dudley's jaw.

达力牙关上的肌肉在抽动。

His mouth quirks up, and he stares appraisingly at me.

他的嘴角微微抽动，审视着我。

Let's give it a shot. Really whip those fingers.

让我们试一下 抽动手指。

Elevated heart rate, moist palms, dry mouth and localized vascular throbbing.

心跳 手心出汗 口干舌燥 还有局部的血管抽动。

One of his eyes was twitching.

他的一只眼睛在抽动。

ADHD medication can also help some individuals focus on, and therefore control, their tics.

用来治疗注缺陷/多动障碍的药物也可以帮助抽动患者集中注力，从而控制抽动。

With a tiny jerk of the head, Snape seemed to flick off an irksome fly.

斯内普微微抽动了一下，像是赶走了一只恶心的苍蝇。

The corners of Dumbledore's mouth twitched.

邓布利多的嘴角抽动了几下。

A nerve was twitching in his temple.

阳穴上一根青筋在抽动。

If you watch a dog or cat sleep, their paws twitch as humans do.

狗和猫睡觉的时候，爪子会像人一样抽动。

He was still squeezing his eyes closed, but the corner of his mouth twitched.

他依然紧紧地闭着双眼，但他的嘴角微微抽动着。

In some severe cases, botox injections to the site of the tic can help to minimize their appearance.

在极严重的病例中，肉毒杆菌素会被注射到抽动发起的部位，以掩盖抽动。

Tics can be simple or complex.

抽动可以分为简单抽动、复杂抽动。

Soon his fishing rod began to twitch, but the harder he pulled, the heavier his catch became.

不久，他的垂钓竿开始抽动，但拉得越用力，他的收获越重。

Since tics tend to lessen when the person is calm, reducing anxiety or depression can also help.

由于当人冷静时，抽动会变少，所以缓解焦虑情绪也会有帮助。

All three of the dog's noses sniffed madly in their direction, even though it couldn't see them.

大狗虽然看不见他们，但它那三个鼻子全朝着他们这边疯狂地抽动、嗅吸着。

These tics can be simple, for example barely noticeable eye blinks, as well as complex, like compulsively producing really distracting gestures.

抽动可以是简单抽动，如仅仅是异常的眨眼；也可以是复杂抽动，如强迫性地做出引人注目的奇怪动作。

Tics are separated into Simple Tics and Complex Tics.

抽动分为简单抽动和复杂抽动。

Wriggling and flailing, it unraveled itself from their bodies, and they were able to pull free.

植物扭曲着，抽动着，自动松开缠绕在他们身上的卷须，哈利和罗恩终于完全挣脱了出来。

The important thing here is that both motor and verbal tics are present.

只要能确认动作性、发声性抽动均存在即可。