1·If he scratches his head, you scratch your head.
如果他挠头，你也挠头。
2·She set her bucket on the ground, thrust her hand into her hair, and began slowly to scratch her head,--a gesture peculiar to children when terrified and undecided what to do.
她把水桶放在地上，把只手伸进头发，慢慢地搔着头，那是孩子在惊慌到失去主张时特有的姿态。 那已不是孟费?
3·It means to scratch your head in order to help you remember something you've forgotten.
这意味着你抓耳挠腮以使自己想起你遗忘的东西。
4·Cooking from scratch enables us to do two things that the Colonel can't: use great chicken and drain the grease more efficiently. This gave us a real head start, and the results were stunning.
烹饪从头学起，使我们可以做两件上校不能做的，使用好的鸡，还有放更多的油。
5·Hardly had she gone a hundred paces when she paused and began to scratch her head again.
她刚走上百来步，又停下来，搔着自己的头。
6·You scratch your head and the only thing I can think of is that it's the pressure.
你想破头也不会明白，我觉得唯一的答案就是压力。
7·A simple "good boy" and pat on the head or scratch under the chin is enough for them.
一句简单的“好孩子”，再拍拍它的头或是抓抓它的下巴，就足够它们享受的了。
8·We scratch our head and tell ourselves that we don't know what happened.
我们刮头告诉我们自己，我们不知道发生了什么事。
9·Bill tends to scratch his head while thinking.
比尔在思考时常常会抓头。
10·Scratch my head.
替我挠挠头。