形容词
中文翻译：忠实的
同义词：
['true', 'faithful', 'honest', 'reliable']
例句：
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1.He is a faithful friend who always keeps his word.
他是一个始终守信用的朋友。
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2.The manager was not very faithful in his duties.
经理在职责上不够尽职尽责。
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3. She was faithful to her husband and did not cheat on him.
她对丈夫忠诚，没有背叛他。