| 肃 | sù | respectful; solemn; to eliminate; to clean up; surname Su |
| 严肃 | yán sù | solemn; grave; serious; earnest; severe |
| 甘肃 | Gān sù | Gansu province (Kansu) between Xinjiang and Inner Mongolia in north China, abbr. 甘 or 陇, capital Lanzhou 兰州 |
| 肃清 | sù qīng | purge |
| 肃反 | sù fǎn | purge of counter-revolutionary elements (esp. Stalin's purges of the 1930 and Mao's purges 1955-57); abbr. for 肃清反革命分子 |
| 肃穆 | sù mù | solemn and respectful; serene |
| 甘肃省 | Gān sù shěng | Gansu province (Kansu) between Xinjiang and Inner Mongolia in north China, abbr. 陇 or 甘, capital Lanzhou 兰州 |
| 唐肃宗 | Táng Sù zōng | Emperor Suzong of Tang (711-762), reign name of eighth Tang emperor Li Heng 李亨, reigned 756-762 |
| 孝肃 | Xiào sù | Xiaosu, posthumous name of Bao Zheng 包拯 (999-1062), Northern Song official renowned for his honesty |
| 整肃 | zhěng sù | strict; serious; solemn; dignified; to tidy upto clean up; to purge; to adjust |
| 王肃 | Wáng Sù | Wang Su (c. 195-256), classical scholar of Cao Wei dynasty, believed to have forged several classical texts |
| 肃北县 | Sù běi xiàn | Subei Mongol autonomous county in Jiuquan 酒泉, Gansu |
| 肃北蒙古族自治县 | Sù běi Měng gǔ zú Zì zhì xiàn | Subei Mongol autonomous county in Jiuquan 酒泉, Gansu |
| 肃南裕固族自治县 | Sù nán Yù gù zú zì zhì xiàn | Su'nan Yuguzu autonomous county in Gansu |
| 肃反运动 | sù fǎn yùn dòng | purge of counter-revolutionary elements (esp. Stalin's purges of the 1930 and Mao's purges 1955-57); abbr. for 肃清反革命分子运动 |
| 肃宁 | Sù níng | Suning county in Cangzhou 沧州, Hebei |
| 肃宁县 | Sù níng xiàn | Suning county in Cangzhou 沧州, Hebei |
| 肃州 | Sù zhōu | Suzhou district of Jiuquan City 酒泉市, Gansu |
| 肃州区 | Sù zhōu qū | Suzhou district of Jiuquan City 酒泉市, Gansu |
| 肃慎 | Sù shèn | ancient ethnic group of northeast frontier of China |
| 肃敬 | sù jìng | respectful; deferential |
| 肃杀 | sù shā | austere; stern; harsh; somber and desolate (autumn or winter) |
| 肃清反革命分子 | sù qīng fǎn gé mìng fèn zǐ | purge of counter-revolutionaries (esp. Stalin's purges of the 1930 and Mao's purges 1955-57); abbr. 肃反 |
| 肃然起敬 | sù rán qǐ jìng | to feel deep veneration for sb (idiom) |
| 肃立 | sù lì | standing tall and majestic (of physical object such as trees) |
| 肃静 | sù jìng | silence; solemnly silent; peaceful; to pacify |
| 鲁肃 | Lǔ Sù | Lu Su or Lu Zijing 鲁子敬 (172-217), statesman, diplomat and strategist of Eastern Wu 东吴 |
