庆

庆

Celebrate.

In this sentence, '庆' is used within the word '庆祝', which means 'to celebrate'. It refers to the act of commemorating a specific occasion.

我参加了庆祝活动。

I attended the celebration event.

Here, '庆贺' incorporates '庆', and it implies offering congratulations or celebration for a particular event.

这是一个值得庆贺的日子。

This is a day worth celebrating.

In this case, '庆' is used as a verb, directly meaning 'to celebrate' a specific occasion or event.

我们用传统方式来庆春节。

We celebrate Chinese New Year in a traditional way.