To scratch(an itch).
抓痒去搔（身上的痒处）
"If you let the itch alone, then it will go away."
"如果你不去抓痒,痒自然就好了。"
"Simple reflexes include sucking, swallowing, Blinking, scratching, and the knee jerk."
简单的反射包括吮吸、吞咽、眨眼、抓痒和膝盖痉挛。
The widder wouldn't let me smoke; she wouldn't let me yell, she wouldn't let me gape, nor stretch, nor scratch, before folks --"
寡妇不让我抽烟，不让我在人前大声讲话，或大喊大叫，还不许我伸懒腰，抓痒痒——”
During the whole course of treatment,nasal secretions,sneezing and nasal scratching were observed and recorded,as compared quantitatively with those of the control group.
在整个治疗过程中观察记录鼻分泌量、喷嚏反射、鼻部抓痒等症状，并与对照组进行量化指标比较。
She scratches at the mosquito bite on her arm.
她抓手臂上蚊子咬的痒痒。（你狠！！！
See All the Monkeys They Are Screech Screech Scratching Jumping All Around And Screech Screech Scratching
去看所有的猴子，它们尖叫着，尖叫着，抓着痒，在周围跳着，尖叫着，尖叫着，抓着痒，
"Itching (pruritus):Stimulation of nerve endings in the skin, usually incited by histamine, that evokes a desire to scratch."
痒(亦称瘙痒):游离神经末梢(通常为在皮肤)受到刺激时产生的想抓挠的感觉。
Boo must have his exercise, lest he bite us all in hard to reach places.
明斯克：布布需要活动活动，免得他咬上我们抓不到痒的地方。
I don't scratch my fleas. I'm afraid of their lawyers!
我不抓自己身上的蚤（痒）我害怕他们的律师会来告我！！
for as sorely as Tom's hands itched to grab for it they did not dare --
因为当汤姆两手发痒，慢慢地移过去想抓它时，又停住了，他不敢??
Sever itching can interfere with sleep or lead to pain for damage from scratching.
严重的瘙痒会干扰睡眠或是导致由于抓挠引起的损伤带来的疼痛。
Hanging by long tails Screech Screech Scratching We Can Stay All Day
用长长的尾巴倒挂着。尖叫着，尖叫着，抓着痒。我们可以一整天待在这里。
Meanwhile, a stabbing pain in his back began waking Julian at night, and his arms itched so much that he was constantly scratching.
这时候朱利安背上钻心股的疼痛使他彻夜难眠，而两臂奇痒难忍，他要不停地抓。
To feel, have, or produce an itch.
发痒感到痒、使人发痒或发痒
Ticklee, ticklee on the knee,
“挠痒痒，挠痒痒，一挠挠到膝盖上，
Causing itching or stinging.
发痒的，产生痛痒的
A substance that causes itching or stinging.
使人发痒或痛痒的东西