Subject + 端坐 + Location
The verb 端坐 (duānzuò) means "to sit upright" or "to sit properly," conveying a sense of poise and stillness. It is often used to describe someone or an animal sitting in a dignified, composed manner. It combines 端 (upright, proper) with 坐 (to sit).
孩子们在教室里端坐着,等老师开始上课。
háizimen zài jiàoshì lǐ duānzuò zhe, děng lǎoshī kāishǐ shàngkè.
The children sat upright in the classroom, waiting for the teacher to start the lesson.
她端坐在钢琴前,深吸一口气,开始弹奏。
tā duānzuò zài gāngqín qián, shēn xī yī kǒu qì, kāishǐ tánzòu.
She sat upright in front of the piano, took a deep breath, and began to play.
那只猫端坐在窗台上,一动不动地看着外面。
nà zhī māo duānzuò zài chuāngtái shàng, yī dòng bù dòng de kàn zhe wàimiàn.
The cat sat upright on the windowsill, watching outside without moving.