You should really avoid scratching your scabs.

你得避免用手挠那些疤。

The occupants of the rooms are yawning, or else scratching themselves.

房间里的人在打哈欠，或者在替自己搔痒。

Scratching by itself—that is, in the absence of an itch—had no such effect.

抓挠本身——即不养时——并无这样的效果。

"That offense would have been more than pleasing to me," said Pinocchio, scratching his head.

“那样的冒犯会让我很高兴呢。”皮诺乔搔着头说。

You wake in the wee hours because the cat's scratching at the door or you have to use the bathroom.

因为猫在抓门或者你不得不使用浴室，你在凌晨醒来。

I don't believe I'll come close to scratching the surface of what I would enjoy doing, by the time I've died.

我不相信，到我死的时候，我将接近抓挠我喜欢做的事情的表面。