to vow loyalty and devotion to

faithful

to give sb a word of advice; advice; counsel; a wise word

good faith; devotion; loyalty; dedication

loyal; devoted; faithful

to be loyal to

loyal and dependable

loyal and devoted (idiom); faithful and true

see 吳忠市|吴忠市[Wu2 zhong1 Shi4]

to display utter loyalty; to be loyal to the end

loyal and righteous; fealty; loyalty

faithful and honest; loyal and sincere

loyal and brave

honest and considerate

Zhong County or Zhongxian, a county in Chongqing 重慶|重庆[Chong2 qing4]

loyalty and consideration for others; magnanimity (ideal virtues in Confucianism)

Chungcheong Province of Joseon Korea, now divided into North Chungcheong province 忠清北道[Zhong1 qing1 bei3 dao4] and South Chungcheong province 忠清南道[Zhong1 qing1 nan2 dao4] of South Korea

sacrifice oneself for one's country; martyr

faithful official

sincere advice; heartfelt exhortation

die-hard (fan etc)

Huang Zhong (-220), general of Shu in Romance of the Three Kingdoms, portrayed as an old fighter

Wuzhong, prefecture-level city in Ningxia Hui Autonomous Region 寧夏回族自治區|宁夏回族自治区[Ning2 xia4 Hui2 zu2 Zi4 zhi4 qu1]

Zhang Xianzhong (1606-1647), leader of a late-Ming peasant revolt

Zhang Zizhong (1891-1940), Chinese National Revolutionary Army general during the Second Sino-Japanese War

Chungcheong Province of Joseon Korea, now divided into North Chungcheong province 忠清北道[Zhong1 qing1 bei3 dao4] and South Chungcheong province 忠清南道[Zhong1 qing1 nan2 dao4] of South Korea

Tsai Chih Chung (1948-), famous Taiwanese cartoonist specializing in retelling the Chinese classics

Zhao Zhongyao (1902-1998), Chinese pioneer nuclear physicist

Wei Zhongxian (1568-1627), infamous eunuch politician of late Ming

the most treacherous person appears the most guileless (idiom)

Confucian moral injunctions of fidelity; piety to one's parents, respect to one's older brother, loyalty to one's monarch, faith to one's male friends

(idiom) to be faithful to the ruler and love one's country

North Chungcheong Province, South Korea, capital Cheongju 清州市

South Chungcheong Province, South Korea, capital Daejeon 大田[Da4 tian2]

loyal advice jars on the ears (idiom)

unswerving in one's loyalty (idiom); faithful and constant

lit. red-bellied devotion (idiom); wholehearted loyalty; to serve sb with body and soul