1·He scratched himself under his arm.
他在自己腋下挠了挠。
—— 《柯林斯英汉双解大词典》
2·John yawned and scratched his chin.
约翰打个哈欠，挠挠下巴。
—— 《牛津词典》
3·We scratched some of the dirt away.
我们刮掉了一些脏东西。
—— 《牛津词典》
4·The branches tore at my jacket and scratched my hands and face.
那些树枝挂了我的夹克，划破了我的双手和脸。
—— 《柯林斯英汉双解大词典》
5·The messenger bent and scratched at his knee where the strapping chafed.
信使弯身挠膝盖上被带子擦痛的地方。
—— 《柯林斯英汉双解大词典》
6·The Clerk scratched his nose with his pen.
书记员用钢笔挠了挠鼻子。
7·Dickon was thinking very hard as he scratched Captain's back.
狄肯一边挠着“船长”的背，一边苦苦思索着。
8·He pressed my ribs several times with his knee, and I scratched his eyes with fingers.
他用膝盖顶了我的肋骨好几下，我用手指乱抓他的眼睛。
9·The cat, not understanding this joke, sprang at his face, and spat, and scratched at him.
猫不明白这个笑话，扑向他的脸，对他又是吐口水，又是抓挠。
10·She scratched herself on a nail.
她在钉子上划了一下。
—— 《牛津词典》
1·The messenger bent and scratched at his knee where the strapping chafed.
信使弯身挠膝盖上被带子擦痛的地方。
—— 《柯林斯英汉双解大词典》
2·They even put their noses to the ground and scratched their heads.
他们甚至把鼻子贴在地上，挠着头。
3·When the team scratched the leg without first creating the artificial itch, the STT neurons fired — the normal STT-neuron response — but the scratching did nothing to calm them.
当研究小组在没有人工制造瘙痒感的时候给它的腿挠痒，STT神经元也激发了，但只是普通的激发而且挠痒也无法使其镇定下来。
4·When the team scratched the leg without first creating an artificial itch, the STT neurons fired — the normal STT-neuron response — but scratching did nothing to calm them.
当研究小组在没有人工制造瘙痒感的时候给它的腿挠痒，STT神经元也激发了，但只是普通的激发而且挠痒也无法使其镇定下来。
5·In fact, in some older men and women, it remains a driving force, an itch that wants to be scratched, even if there is not an appropriate or available partner.
一些有一把年纪的男女即使没有合适或在身边的伴侣还是会被它鼓动，如奇痒难忍，不挠不快。