忠于

hết lòng; trung với; trung thành với

be true to; be loyal to; be faithful to; be devoted to; cleave to; stick by; string along with 忠于 祖国 be loyal to one's country 忠于 职守 be dutiful; do one's work dutifully; do one's duty faithfully 忠于 人民 be loyal to one's people 忠于 朋友 stick with a friend