今天的美国英语体育成语是“in full swing”，可以用来描述某种事情达到其活动最高水平。

Today’s American English sports idiom “in full swing.” You can use this expression to describe something that is at its highest level of activity.

例句：

Examples:

- 夏威夷的旅游季节将在8月份达到旺季。我们应该现在购买机票以拿到一个好价钱。

- Hawaii’s tourist season will be in full swing in August. We should buy airline tickets now to get a good price.

- 美国总统大选在11月，所以竞选广告将很快全面展开。

- The US presidential elections are in November, so campaign advertising will soon be in full swing.

这个习语如何与像高尔夫、棒球或网球这样的体育运动相联系呢？在你的语言中，是否有一个习惯用语表达这个意思呢？它翻译成英文怎么说？

How does this phrase relate to sports like golf, baseball, or tennis? Does your language have a phrase that expresses this idea? How does it translate into English?