adj (1) 忠实(诚)的(loyal and true，not changing) [A (to)]：a～friend 忠诚的朋友;be/remain～to one's promise/to one's word/to one's belief/to one's wife 信守诺言/言而有信/忠实于信仰/忠诚于妻子;be～in word and deed 言行守信;〖同〗loyal，devoted，honest;〖反〗faithless，disloyal，unfaithful;

(2) 可靠的，可以信赖的(reliable，able to be trusted or believed) [作attrib]：a～worker/correspondent 可信赖的工人/记者;〖同〗 reliable，trustworthy，dependable，trusty;〖反〗 untrustworthy;

(3) 如实的，准确的(true to the fact;exact)：a～report/reproduction/translation 如实的报道/精确的复制品/忠实于原文的翻译;give a～account/description of the event/of what happened 如实说明/描述那些事迹/所发生的事情;〖同〗 exact，strict，truthful，precise，accurate，close，similar;〖反〗inexact，imprecise，inaccurate，dissimilar;

n 虔诚的(宗教)信徒(true followers of a religion，cause or group)：the party～s 党的忠诚分子;

→′faithfully adv 忠实(诚)地;如实地;′faithfulness n 忠实(诚);守信;

【辨异】 faithful与constant和loyal的区别见CONSTANT。