This is a polite way of speech, meaning being not worth mentioning.

这是一种很谦虚的说法，意思就是说不值得一提。

youdao

Tag questions are a form of polite speech.

反意疑问句是一种礼貌用语。

youdao

He ended up his speech with a polite "thank you".

她以一声“谢谢”礼貌地结束讲话。

youdao

He ended up his speech with a polite "thank you".

她以一声“谢谢”礼貌地结束讲话。

youdao