全部

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)from scratch白手起家；从头做起

(1)start from scratch从头开始；白手起家；从起跑线开始

(1)up to scratch达到标准

(1)without a scratch一点儿也没受伤，安然无恙

(1)scratch the surface只做了肤浅的研究；不深刻，不周详

(1)scratch for oneself[美国口语]关心自身利益