词汇knock的用法2

一只小小的耳朵:Now, as a verb, "knock" has many meanings. The most common is to simply knock on something, or hit it, with your fist. For example, you knock on a door when you want to enter someone's house. That you probably know. But did you know that when you want good luck, you should knock on wood? 作为动词，knock有多种含义，最常见的含义就是用拳头敲击或敲打东西。例如，当你要进入某人的房子时，你会敲门。但是你知道吗，当你希望好运时，你应该敲木头（knock on wood）？

一只小小的耳朵:This custom may come from ancient times when people believed that gods existed in nature. So, for example, knocking on a tree was thought to bring good luck. Even if they don't believe it to be true, many Americans say "Knock on wood!" to mean "Wish me good luck!" 这种习俗可能来自于古人相信神存在于自然界的时代。因此，举例来说，敲树被认为会带来好运。即使他们不相信这是真的，很多美国人也会说“Knock on wood!”来代表是祝我好运！”