The guests relaxed a little and gradually straightened up. what's the meaning

The guests relaxed a little and gradually sat up straight.

Meaning: mind, mood.

Less: common words, "slightly", slightly, slightly.

Shu: Comfortable, relaxed and relieved.

Yi Shaoshu: I feel a little relaxed.

Slightly: gradually.

Sit up straight: Sit up straight.

This sentence comes from the classical Chinese "Kouji" in the second volume of the first day of junior high school.

The main content of this paper: This paper vividly simulates a group of rhythmic and continuous life pictures through various voices of ventriloquists, highlighting the superb skills of ventriloquists in ancient China and embodying the wisdom and talent of ancient artists.