不登大雅之堂

不登大雅之堂:

Literally means:

(something) vulgar and coarse and cannot enter the house of people with good taste

Actually means:

大雅之堂 refers to the gathering occasions or places for people with high social status or from the upper class.

The phrase literally means something or somebody is not suitable for the gathering of noble people. It mainly refers to low-quality goods or vulgar persons. It mostly refers to articles and products. It is often used as a humble way of talking about one's own work of arts or writings. Derogatory.

大雅之堂，有地位和身份的人聚会的厅堂或场合。

不登大雅之堂，不能进入高雅的厅堂或场合。形容某些被认为粗俗不雅，档次不高事物或人物。 多指作品、产品等。也用来谦称自己的作品。具有贬义色彩。