They were unflinchingly loyal to their friends.他们对朋友忠贞不渝。We must be loyal to our motherland.我们必须忠于祖国.Lu Xun was loyal to the people, bending his back to the task until his dying day.鲁迅对人民忠心耿耿,鞠躬尽瘁, 死而后已....

忠于…，尽忠...

be loyal to的音标：be loyal to的英式发音音标为：[bi: 'lɔiəl tu:]be loyal to的美式发音音标为：[bi 'lɔɪəl tu]...

忠诚于，忠于...

loyal to的音标：loyal to的英式发音音标为：['lɔiəl tu:]loyal to的美式发音音标为：['lɔɪəl tu]...