This is the 7349th most frequent Chinese word.
致辞
"致辞" means "to deliver a speech" or "to give an address."
In this sentence, '致辞' refers to an official speech or address delivered at a formal event.
校长在年度大会上发表了致辞。
The principal delivered a speech at the annual conference.
Here, '致辞' indicates delivering a congratulations or blessing speech at a personal and special event.
他在婚礼上向新人致辞,祝福他们幸福美满。
He gave a speech to the couple at the wedding, wishing them happiness and harmony.
In this case, '致辞' is used to describe making an introductory or welcoming speech at a ceremonial gathering.