4 sentences for 去 (qù — departing tone)

1. 四声包括平、上、去、入。

   sì shēng bāo​kuò píng, shǎng, qù, rù.

   The four tones include level, rising, departing, and entering.

   Source: Dong Chinese Dictionary

2. ‘看’这个字在表示‘看见’的意思时要读去声。

   ‘kàn’ zhè gè zì zài biǎo​shì‘kàn​jiàn’ de yì​si shí yào dú qù shēng.

   The word '看' (kàn) is pronounced in the falling tone when it means 'to see'.

   Source: Dong Chinese Dictionary

3. “下作”里的“作”读去声，表示下流、卑鄙的意思。

   “ xià​zuo” lǐ de“ zuò” dú qù shēng, biǎo​shì xià​liú, bēi​bǐ de yì​si.

   The character 'zuo' in 'xiazuo' is pronounced in the falling tone, meaning low, mean, or contemptible.

   Source: Dong Chinese Dictionary

4. 在学习中国古代音韵学时，需要区分平、上、去、入。

   zài xué​xí Zhōng​guó gǔ​dài yīn​yùn​xué shí, xū​yào qū​fēn píng, shǎng, qù, rù.

   When studying ancient Chinese phonology, it is necessary to distinguish between the level, rising, departing, and entering tones.

   Source: Dong Chinese Dictionary